Monozygotic twins are the result of
A) two ova, each fertilized by different sperm.
B) the "crossing over" phenomenon.
C) a single fertilized ovum splitting into two zygotes.
D) the process of mitosis.
Correct Answer:
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Q23: The LEAST genetic variability is found within
Q24: The only circumstance under which two people
Q25: Your aunt says with a smile, "Let
Q26: In males, the sex chromosomes consist of
A)one
Q27: For every 1,000 births, about _ birth(s)
Q29: When does genetic crossing over happen?
A)Prior to
Q30: What are gametes?
A)Chromosomal defects that prevent mitosis
B)Aphrodisiacs
Q31: Monozygotic (identical) twins are _ than dizygotic
Q32: MEIOSIS is to MITOSIS as _ is
Q33: The developing child inherits _ percent of
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