Why Will an Embryo Develop as a Male in the Presence

question 23

Essay

Why will an embryo develop as a male in the presence of a Y chromosome, regardless of the number of X chromosomes present?

---

Definitions:

Homozygous Recessive

An individual is homozygous recessive when they have two identical recessive alleles for a particular gene, potentially expressing a recessive trait.

Heterozygous

Having two different alleles of a particular gene or genes, resulting in genetic variation for a specific trait.

Dominant

A term used in genetics to describe an allele that expresses its phenotypic effect even in the presence of a recessive allele.

Horned Cow

A breed or individual of cattle that has distinctive horns, used for defense, display, and other functions.