Kyle is genetically a male; this means he received a(n) ________.
a. X chromosome from his mother, and a Y chromosome from his father
b. Y chromosome from his mother, and a Y chromosome from his father
c. X chromosome from his mother, and an X chromosome from his father
d. Y chromosome from his mother, and an X chromosome from his father
Question 2
In the presence of the Y sex chromosome, male hormones called ________ are secreted. This causes the fetus to develop testicles, a penis, and male internal sexual anatomy.
a. estradiols
b. HCGs
c. androgens
d. progesterones
The underside of a male (top) and a female (bottom) individual of Pachygrapsus marmoratus, showing t
Male cheetah marking territory
Procedures and Diagnostic Tests Related to the Male Reproductive System
Black female Vs. Gray male
Regulation of pre-mRNA splicing that determines male and female sexual