Multiple Choice
What percentage of fraternal twin pairs is boy and girl?
A) 10%
B) 33%
C) 50%
D) 80%
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q103: Mitosis ultimately enables humans to _.<br>A) reproduce
Q104: Height, intelligence, temperament, and susceptibility to certain
Q105: What does incomplete dominance mean?<br>A) Many genes
Q106: Which method involves injection of sperm into
Q107: Marlow's parents are talented artists. When he
Q109: Researchers have estimated that how many genes
Q110: Couples with a family history of sex-linked
Q111: In Africa, children who inherit a single
Q112: Females are more likely than males to
Q113: What is the term for a sudden