What Layers Must a Sperm Penetrate in Order to Fertilize

question 78

Essay

What layers must a sperm penetrate in order to fertilize the egg?

---

Definitions:

Chromosome Deletion

A genetic mutation where a part of a chromosome or a sequence of DNA is lost during DNA replication, which can lead to diseases or abnormalities.

Williams Syndrome

A genetic disorder characterized by developmental delays, cardiovascular disease, and distinctive facial features, often accompanied by a highly social personality and a strong affinity for music.

Autosomal Recessive

A mode of genetic inheritance where two copies of an abnormal gene must be present for the disease or trait to develop.

X-Linked Recessive

A mode of genetic inheritance where a mutation in a gene on the X chromosome causes the phenotype to be expressed primarily in males, who have only one X chromosome.