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Author Question: A single egg contributes ________ to the developing zygote. a. XX b. X c. Y d. XY e. ... (Read 27 times)

ssal

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  • Posts: 572
on: Jun 22, 2018
A single egg contributes ________ to the developing zygote.
 
  a. XX
  b. X
  c. Y
  d. XY
  e. XO

Question 2

A person's genetic sex is determined by
 
  a. the sperm, which can carry either an X or Y chromosome.
  b. the egg, which can carry either an X or Y chromosome.
  c. the sperm, which can only carry X chromosomes.
  d. the egg, which can only carry X chromosomes.
  e. the sperm, which can only carry Y chromosomes.


FergA

  • Sr. Member
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  • Posts: 352
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: b. X

Answer to Question 2

Answer: a. the sperm, which can carry either an X or Y chromosome.


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