Patsy and Terry are fraternal twins.This type of twinning results from __________.
A) a zygote that duplicates and separates into two clusters of cells
B) the fertilization of one ovum by two Y-bearing sperm
C) the release and fertilization of two ova
D) the fertilization of one ovum by two X-bearing sperm
Correct Answer:
Verified
Q27: Fraternal twinning occurs _.
A) less often with
Q28: In many Western countries,_.
A) rates of miscarriage
Q29: In the female,meiosis results in _.
A) just
Q30: A healthy man can father a child
Q31: During their early years,children of single births
Q33: Animal research shows that a variety of
Q34: Which statement is supported by research on
Q35: Fraternal twins are _.
A) genetically identical
B) no
Q36: Children with diabetes tend to have fathers,not
Q37: About _ female sex cells are present
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