In humans, genes are located on how many pairs of chromosomes?
A) 44
B) 23
C) 22
D) 46
Correct Answer:
Verified
Q15: A recessive gene is
A) expressed if it
Q16: How many chromosomes does the one-celled zygote
Q17: Which of the following questions deals with
Q18: If the same group of subjects is
Q19: If a person inherits a gene for
Q21: Fraternal twins form when
A) a sperm splits
Q22: In the weeks just prior to becoming
Q23: The period when major systems, organs, and
Q24: For the first two weeks after conception,
Q25: From the moment the zygote becomes implanted
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