Which One of the Following Statements About Segregation of the Sex

question 186

Multiple Choice

Which one of the following statements about segregation of the sex chromosomes is FALSE?

• A)In human males, segregation of the X chromosome from the Y chromosome occurs during anaphase I of meiosis.
• B)In humans, half of the fertilized eggs are expected to be male and half are expected to be female; this 1:1 ratio is characteristic of Mendelian segregation.
• C)The secondary sex ratio of males to females at birth usually shows a slight excess of males.
• D)In humans, the sex at each birth is not a random process because there are often large families with either all girls or all boys.

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