Help fast please ASAP fast

The correct answer is:

A. During meiosis, alleles can switch between homologous chromosomes through crossing over.

Crossing over, which occurs during meiosis, is the process where homologous chromosomes exchange genetic material. This can result in the swapping of alleles between linked genes, leading to new combinations of alleles on the chromosomes. As a result, linked genes may appear to follow the law of independent assortment, where alleles are randomly assorted into gametes.

During meiosis, crossing over allows alleles from linked genes to switch places and appear to follow the law of independent assortment.

In genetics, alleles from linked genes sometimes appear to follow the law of independent assortment due to the phenomenon of crossing over during meiosis. Crossing over occurs when homologous chromosomes exchange genetic material, resulting in the recombination of alleles on different chromosomes. This process can lead to the separation of linked alleles and the appearance of independent assortment.

For example, let's consider two genes located close to each other on a chromosome. Initially, the alleles for these genes are linked and inherited together. However, during crossing over, a break can occur between the genes, allowing the alleles to switch places. As a result, the alleles can end up on different chromosomes, leading to independent assortment.

Therefore, option A is the correct answer. Crossing over during meiosis allows for the exchange of alleles between homologous chromosomes and breaks the link between genes, resulting in the appearance of independent assortment.

https://brainly.com/question/31989128

#SPJ2

Explanation:

The atomic number of an element is the number of protons an atom contains. This number helps differentiate one atom from the other. It is the basis by which elements are arranged on the periodic table.

The periodic table of elements follows the periodic law which shows that elements are arranged based on their atomic numbers.

 Sodium Na;

  Protons  = 11

  Electrons  = 11

  Neutrons  = 12

Atomic number  = 11

Answer:

B

Explanation:

artificial insemination is only used when a man is infertile

Answer:

chlorophyll

Explanation:

this is right

Answer:

Chlorophyll.

Explanation:

Chlorophyll, located in chloroplasts in the leaves of a plant.

Hope this helped! ^^

The genes in the lac operon are expressed when lactose is present and the repressor protein is unable to bind to the operator region.

For more questions on protein

https://brainly.com/question/884935

#SPJ8

Mutations is the global answer to this question nonetheless mutations can happen in many circumstances and each case has a proper name. When the number of chromosomes increases we are talking of polyploidy and this commonly occurs during the meiotic process in the first division during prophase in the crossing of chromatids. Now with this in mind, we can say that the correct answer is option D, as a non-disjunction process implies that there is no propper segregation during meiosis I, so the new cells will possess an abnormal amount of genetic material.

Answer: An ideal gas is a gas that conforms to the ideal gas law, which is a relation between pressure, volume, and temperature. it is a theoretical gas composed of many randomly moving point particles that are not subject to interparticle interaction. :)

Explanation:

Answer:

The cell will die

Different types of kingdoms exist. All animals are considered to be members of the kingdom Animalia. It also goes by the name Metazoa. Animals that have both jointed limbs and hard exoskeletons make up the phylum Arthropoda.

The following are some traits of arthropods: They are exoskeleton-equipped. Their appendages are joined. They are known to have segmented bodies.

Therefore, Examples of Order The Hemiptera Giant Water Bug Arthropoda, the phylum. Arthropoda Hymenoptera Bees, wasps, and ants Lepidoptera moths, butterflies, etc. Arthropoda.

Learn more about insects, here:

https://brainly.com/question/28017648

#SPJ1

Answer: THE ANSWER IS FALSE.

We are able to detect what something tastes like due to the presence of receptors termed taste buds in the mouth. And they are all able to detect a particular category of taste.

These cells that detects these chemicals dissolved and transmit signals to the CNS are the basal/gustatory cells.

Learn more on taste detection: https://brainly.com/question/14748943

The three basic cellular structures that every cell needs are the cell membrane, the cytoplasm, and the genetic material. The cell membrane functions to regulate what enters and exits the cell, the cytoplasm provides a medium for cell organelles to function in, and the genetic material contains the instructions for cell function and replication.

Cell Membrane: The cell membrane is a thin, flexible barrier that encloses the cell and separates its internal environment from the external environment. It is made up of a phospholipid bilayer and is selectively permeable, meaning it regulates what substances enter and exit the cell.

Cytoplasm: The cytoplasm is a gel-like substance that fills the inside of the cell and contains various cell organelles, such as mitochondria, ribosomes, and the endoplasmic reticulum. The cytoplasm is important because it provides a medium for the organelles to function in and facilitates the movement of materials within the cell.

Genetic Material: The genetic material of the cell is the DNA that contains the instructions for cell function and replication. In prokaryotic cells, the genetic material is found in the cytoplasm, while in eukaryotic cells, it is found in the nucleus.

In summary, every cell needs a cell membrane to regulate what enters and exits the cell, cytoplasm to provide a medium for cell organelles to function in, and genetic material to contain the instructions for cell function and replication.

To learn more about Cell Membrane here

https://brainly.com/question/12476894

#SPJ1

The length of each cell  in the eyepiece division is option B which is  40 μm

In a microscope, the eyepiece graticule is a scale located in the eyepiece that helps to measure the size of microscopic objects. The stage micrometer, on the other hand, is a calibrated scale on the microscope stage that is used to calibrate the eyepiece graticule.

To determine the value of each eyepiece division on the stage micrometer, we use the following formula:

Value of each eyepiece division = (Value of each stage micrometer division) x (Number of stage micrometer divisions per eyepiece division)

The calculation can be done using the formula:

Length of one eyepiece division = (Length of one stage micrometer division) x (Number of stage micrometer divisions per eyepiece division)

Length of one eyepiece division = 10 μm x (16/40) = 4 μm

Since 4 cells fit across 40 divisions of the eyepiece graticule, the length of each cell is:

Length of each cell = Length of one eyepiece division x 4 = 4 μm x 4 = 16 μm

Therefore, the answer is B) 40 μm by calculating the value of each micrometer.

Learn more about microscope below.

https://brainly.com/question/820911

#SPJ1

For the word problem, If the difference of a number and the fraction \(\frac{4}{3}\) is \(\frac{11}{3}\), then the number is 5.

The above mathematical problem is a word problem. Word problems are problems that are written in words, rather than in symbols.

To solve for the difference or mystery number, we say, Let x be the number.

The problem states that x -  \(\frac{4}{3}\) =  \(\frac{11}{3}\),

movin -  \(\frac{4}{3}\) to the other side of the equation,

we get x = \(\frac{11}{3}\) + \(\frac{4}{3}\) = \(\frac{15}{3}\)

We solve the fraction by dividing 15 by 3

\(\frac{15}{3}\) = 5

Find more exercises on word problem;

https://brainly.com/question/29027588

#SPJ1

CCU stands for "Coronary Care Unit". In a hospital setting, the CCU is a specialized unit dedicated to the care of patients with serious and life-threatening heart conditions. This unit is staffed by healthcare professionals who have specialized training in cardiac care and are equipped with advanced technology and equipment to monitor and treat patients with heart problems. Patients who are admitted to the CCU typically require intensive monitoring, medication, and other interventions to manage their condition and stabilize their heart function. The CCU is a critical component of modern healthcare and has contributed significantly to the improvement of patient outcomes in the management of cardiac diseases.

Answer:

D. a diagram that maps the evolutionary

progress of organisms and their

developments this is answer

Explanation:

Phylogeny is the evolutionary history of a species or group of related species and organisms and determines their evolutionary relationships.

Answer:

hope it's help you...............

Answer:

Asexual reproduction is when a living thing reproduces with only a single parent. Sexual reproduction involves two parents and chromosome change.

Explanation:

Ex of Asexual reproduction: Ferns, bacteria, animals, etc.

Ex of Sexual reproduction: Animals, some plants, etc.

The difference between mechanism in these two type of regulation with that involving short noncoding RNAs are:

Different systems that can either stop or start transcription are referred to as riboswitches. In both instances, intramolecular double-stranded RNA forms, causing conformational alterations. To cause the conformational shift, sRNA molecules will bind to the short ribonucleotide sequence (attenuator).

Separate transcripts known as sRNAs are complementary to mRNA and work by joining together to generate intermolecular double stranded RNA. SRNA binding either inhibits or promotes translation.

A functioning RNA molecule that is not translated into a protein is known as a non-coding RNA. An RNA gene is frequently used to refer to the DNA sequence from which a functional non-coding RNA is produced.

For more information on RNA kindly visit to

https://brainly.com/question/14317249

#SPJ4

Based on Malthus’ research, Darwin indicated that the process of natural selection is a result of overpopulation because d. When there was overpopulation, there were more offspring than the environment could support.

Darwin's evolutionary theory of natural selection makes reference to the differential survival and reproduction rate of the most adapted phenotypes in a given environmental condition, which depends on the maximization of the available resources for this environment.

Moreover, Thomas Malthus developed the so-called Malthusian model of growth, which indicates that food production may not be enough to keep up with the growth of a given population of people.

Therefore, with this data, we can see that Darwin's evolutionary theory of natural selection is based on the existence of limited resources and the competence between the organisms for such resources in particular environmental conditions and factors.

Learn more about Darwin's theory of evolution here:

https://brainly.com/question/1589147

#SPJ1

Answer:

it would help them thrive

Explanation:

because it anables them to catch more with there stronger faster necks

The shift in the traits of tortoises in the population states how natural selection drove the evolution of the tortoises.

During the evolution, with an extended period of time, the shorter vegetation became less available and tortoises with short necks had the disadvantage to survive in that area.

Tortoise develops genes for a long neck and having stronger, faster muscles, which gives tortoises with this trait an advantage in catching insects.

This natural selection helps the tortoises, to survive by catching more food in a particular area, it states tortoises with long necks are the only tortoises living during evolution.

Therefore, this advantage increases the survival rate of the tortoise population.

Learn more about the tortoises, here:

https://brainly.com/question/29826336

#SPJ2

part a.

The pieces of paper do not represent any specific part of plate tectonics.

part b.

Convection currents heat from Earth's core to Earth plate boundaries.

part c.

The candle represents plate boundaries in plate tectonics.

part d.

The movement of food coloring does not represent any specific part of plate tectonics.

The movement of food coloring represent is a  visual representation of the process of convection and is  one of the driving forces behind plate tectonics.

We know that at the Earth's surface, tectonic plates move as a result of convection currents in the mantle, and the movement of the food coloring mimics this material movement.

Learn more about tectonic plates at:

https://brainly.com/question/1162125

#SPJ1

Answer:food

Explanation:

Breast cancer is a multifactorial disease so the risk factors can be varied. However, the main factors are gender and age, since most breast cancers are detected in women over 50 years of age. Other risk factors that cannot be avoided include genetic mutations in genes such as BRCA1 and 2, having early menstruation and late menopause, as there is exposure to hormones for a longer time, having relatives with breast cancer and having received radiotherapy.

It should be noted that there are also risk factors that can be avoided. These include taking hormone treatments, not exercising, being overweight, drinking alcohol and getting pregnant for the first time after the age of 30. Fortunately, these factors can be reduced by exercising, eating a healthy diet, and receiving reproductive and hormonal counseling from a physician.

Answer:

Ans.

The given diagram represents a cladogram, which is used to show evolutionary relationships between various organisms or species.

The intersection points between the lines show the common ancestors, which evolved into different organisms at the end of the branches, as A, B, C, D.

The first branch end (A) represents that most primitive organism, while the last  branch end (D) represents the most recent organism.

Thus, the correct answer is option). 'organism A is the most primitive organism.'

Explanation:

The following are:

1. TRUE. Viruses are not considered to be alive because they do not have their own metabolism and they cannot reproduce on their own. However, they do have some of the characteristics of living things, such as the ability to evolve and to interact with their environment.

2. TRUE. Pasteurization is a method of heating milk and other food stuffs to a specific temperature for a set period of time, followed by rapid cooling. This kills harmful bacteria without affecting the taste or nutritional value of the food.

3. TRUE. White blood cells (lymphocytes) are a type of immune cell that produces antibodies. Antibodies are proteins that bind to specific antigens, which are molecules that are foreign to the body. This binding helps to protect the body from infection.

4. TRUE. A species is a group of organisms that can breed successfully with one other to produce fertile offspring. This means that the offspring will be able to reproduce themselves.

5. FALSE. Tuberculosis is caused by a bacterium called Mycobacterium tuberculosis. Salmonella typhi is a bacterium that causes typhoid fever.

6. TRUE. In the scientific naming of organisms, the first name is the genus name. The genus name is followed by the species name. For example, the scientific name for humans is Homo sapiens.

7. FALSE. Gymnosperm plants are a group of plants that have seeds that are not enclosed in an ovary. They are considered to be higher plants, along with angiosperms (flowering plants).

8. TRUE. Sunlight is the primary source of energy for all plants. Plants use sunlight to convert carbon dioxide and water into glucose, which is a sugar that they use for energy.

9. TRUE. Autotrophs are organisms that can synthesize their own energy from the raw materials. They are able to do this through a process called photosynthesis.

10. TRUE. The major organic substances in living organisms are carbohydrate, lipid, and protein. Carbohydrates are used for energy, lipids are used for storing energy, and proteins are used for building and repairing cells.

Find out more on Pasteurization here: https://brainly.com/question/11156209

#SPJ1