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
Subadult male lion and spotted hyena in the Masai Mara
Gangrene of the toes and foot as a result of an infection often means eventual amputation.
#38.Genetically identical organisms derived from a single genetic source are #39
The traditional human karyotypes derived from a normal female and a normal male
Normal karyotype of a human male