Research on temperament has shown that
A) it is entirely inborn.
B) it is entirely environmental.
C) it begins with inborn tendencies that are shaped by the environment.
D) it begins with an environmental effect that changes fetal brain development to form a temperament.
Correct Answer:
Verified
Q18: The zygote has _ of chromosomes.
A)13 pairs
B)23
Q19: Because they have been unable to conceive
Q20: From about 8-40 weeks after conception,we refer
Q21: A fetus is likely to yawn,curl its
Q22: At about 6 months after conception,fetuses tend
Q24: Sex differentiation begins
A)at conception.
B)after the first week
Q25: _ occurs when an embryo has only
Q26: In the absence of specific hormonal signals,embryos
Q27: The female genotype is
A)XX.
B)XY.
C)YY.
D)XXY.
Q28: The Müllerian ducts in an embryo's gonadal
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