Answer:
Answer is A. Affects genotypic frequencies and not allelic frequencies.
Explanation:
Non random mating is when an individual organism prefer to mate with another organism of the same genotype or different genotype.
There are some things that make this to happen. It may be based on physical accessibility or characteristics among others.
Answer AND Explanation:
Gametogenesis is the formation of gametes. Formation of sperms also called spermatogenesis takes place in the testes while formation of eggs also called oogenesis takes place in the ovary. Oogenesis in females begins before birth, however maturation of the eggs take a very long time and is only complete after fertilization. In males sperm formation only occurs after puberty.
Answer:
Astrocytes
Explanation:
Astrocytes are the most numerous cell type within the central nervous system (CNS) and they perform a myriad of tasks ranging from axon guidance and synaptic support, to the control of the blood brain barrier and blood flow.
<span>vestigial structures because they are hard </span>
Sexual reproduction offers genetic variation, as the offspring are a combination of 2 sets of genes opposed to one. This ultimately leads to evolution and the adaption to changing environments :)