Answer: Spermatogenesis begins at birth and continues throughout a man's life.
The process in which
haploid spermatozoa develop from germ cells in the seminiferous tubules of the
testis is known as Spermatogenesis. Thus, the process of spermatogenesis start
with mitotic division of the stem cells that is located close to the basement
membrane of the tubules. However, a mature male gametes known as sperm but it
is commonly known as spermatozoa.
Answer:
A) Black winged beetles have higher fitness than white winged beetles
Explanation:
Because after the white winged beetles have played their eggs they die
Answer:
The answer is actually B) Memory T. Memory T cells rapidly produce large numbers of effector T-cells when re-exposed to their antigens, which provides the immune system memory against past infections.
<span>C. The offspring will inherit neither the genotype or phenotype change.</span>
Answer:
The answer is D. One year
