Author Question: During early development, the Y chromosome produces a substance called testis determining factor ... (Read 138 times)

MirandaLo · **on:** Feb 27, 2019

During early development, the Y chromosome produces a substance called testis determining factor (TDF) that causes the indifferent gonad to become a testis. This would be an example of
A) capacitation.
B) activation.
C) differentiation.
D) induction.
E) predilection.

Question 2

After fertilization, the first cell division is completed
A) within a few seconds.
B) within the hour.
C) about 6 hours later.
D) in 12 hours.
E) about 30 hours later.