High levels of what hormone increases the likelihood of fraternal twins?
a. FSH
b. LH
c. HCG
d. progesterone
e. estrogen
ANSWER: a
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a. the operon b. selective gene expression. c. cloning. d. mutation.
Blood types A, B, AB, and O are determined by ________.
A. carbohydrates on the surface of the red blood cells B. the capacity of the blood to respond to infections C. the capacity of the blood to respond to transfusions D. carbohydrates on the surface of the white blood cells
Differentiate between genotype, phenotype, and allele frequencies. What will be an ideal response?
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