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Author Question: Vladimir and Catherine have three girls. They really want to have a boy with their next pregnancy. ... (Read 22 times)

WWatsford

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on: Jun 22, 2018
Vladimir and Catherine have three girls. They really want to have a boy with their next pregnancy. They go to a clinic for help. Which of the following procedures will most likely be performed at the clinic?
 
  sperm-sorting before artificial insemination.
  ova-sorting before in-vitro fertilization.
  They will inseminate Catherine 3 days after her menstrual period.
  They will collect Y sperm from another male donor.

Question 2

In the United States, the natural sex ratio among newborns is approximately
 
  50 males to 50 females.
  52 males to 48 females.
  54 males to 46 females.
  48 males to 52 females.


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kthug

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

sperm-sorting before artificial insemination.

Answer to Question 2

50 males to 50 females.


WWatsford

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Reply 2 on: Jun 22, 2018
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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