Which of the following chromosomal patterns is a girl?
A) XX
B) XY
C) XXY
D) XYY
Correct Answer:
Verified
Q6: Which layer becomes the heart and circulatory
Q8: Twins are caused by two sperm entering
Q9: More than 50% of fertilized eggs fail
Q10: The _period is the first 2 weeks
Q12: Which layer develops into the nervous system?
A)
Q13: How long is human gestation?
A) 40 weeks
B)
Q21: Cell division in gametes is achieved by
A)
Q23: Fertilization usually occurs in the
A) uterus.
B) cervix.
C)
Q25: A man releases about _ sperm in
Q29: Biologically, ova and sperm are known as
A)
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