Author Question: Under normal circumstances, if a sperm carrying a(n) ____ sex chromosome fertilizes an egg carrying ... (Read 174 times)

Diane

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Under normal circumstances, if a sperm carrying a(n) ____ sex chromosome fertilizes an egg carrying a(n) ____ sex chromosome, a male fetus is produced.
 
  A) X; X
  B) X; Y
  C) Y; X
  D) Y; Y

Question 2

Our biological sex is determined by:
 
  A) hormones.
  B) the chromosomal makeup of the sperm and ovum at conception.
  C) the 21st pair of chromosomes.
  D) the biological mother.



Viet Thy

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Answer to Question 1

C

Answer to Question 2

B



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