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Author Question: The period of the zygote begins with a. ovulation. b. ejaculation. c. implantation. d. ... (Read 44 times)

P68T

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on: Jun 22, 2018
The period of the zygote begins with
 
  a. ovulation.
 b. ejaculation.
 c. implantation.
  d. fertilization.

Question 2

How many of the following are considered secondary sex characteristics: growth of facial hair in boys, development of a functional uterus in girls, voice change in boys, and broadening of shoulders in girls?
 
  a. one
 b. two
 c. three
  d. four


Bison

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Reply #1 on: Jun 22, 2018
Answer to Question 1

d

Answer to Question 2

c


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