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
Random X-chromosome inactivation in a calico cat.
An adult male killer whale with its characteristic tall dorsal fin swims in the waters near Tysfjord
Normal male karyotype
Male Turkmen in the wealthier half of the population had higher fertility rates than those in the po
Foley catheter with balloon in the bladder of a male patient.