Answer:
Genetic drift is simply a change in the frequency of alleles in a population.
Like shown in the comic A, there are different genes present on chromosomes. All of these genes are made up of a pair of alleles. These alleles determine the genotype and the resulting phenotype of an organism.
If none of the alleles is favored by the environment, then a population will have equal no.of all the variant forms of a trait. Like shown in the comic B, both the green and the grey animals are favored equally.
But if natural selection occurs and one form of the allele variant is favored, then a genetic drift will occur. Most of the organisms will have the alleles which are favored by the environment. Like shown in Comic C, where the grey alleles are favored more than the green alleles.
Answer:
The answers you have chosen are/should correct
Explanation:
Already took that test
Answer:
Find the base of the experiment
Explanation:
If i tested how high my new jumping boots could go, then i would first have the person jump without them and then jump with them. I would use the control (without the shoes) and compare it to how high the person went WITH them on.
<h2>Visceral pleura</h2>
Explanation:
The portion of the serous membrane that covers and adheres to the lung is called visceral pleura
- Pleura are the pair of membranous linings surrounding the lungs
- The visceral pleura covers each lung surface, and the parietal pleura covers the inner surface of the thoracic cavity
- The visceral pleura is a delicate membrane which dips into the fissures between the lobes of the lung
- Pleura allows the lungs to move inside the body cavity without friction as friction would cause damage to the lungs and the tissue in the chest wall
