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Home Q & A Board Biology-Related Homework Help General Biology
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rickyfa18 rickyfa18
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6 years ago
The Punnett square illustration below shows that
  theoretically
  a. half of human sperm carry a Y chromosome.
  b. half of human zygotes are XY.
  c. all zygotes carry an X chromosome.
  d. gender depends upon which type of sperm
  fertilizes the egg.
  e. all of these are true.

Question 2

With respect to chromosomes, the difference
  between normal human males and females is defined
  by which of the following?
  a. In females, one X is deleted.
  b. Females possess one X and one Y.
  c. Males possess an X and a Y.
  d. Females have three Xs.
  e. Males have two Xs and a Y.
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medjedmedjed
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6 years ago
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rickyfa18 Author
wrote...

6 years ago
Brilliant ツ
kevin12323h
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Yesterday
Just got PERFECT on my quiz
mmmm_dat_userna
wrote...

2 hours ago
Thanks for your help!!
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