The calculation for determining sex ratio is
A) multiplying the average times for each stage of mitosis in a particular cell type.
B) averaging the percentage of students who are female in many large school populations.
C) the number of males divided by the number of females multiplied by 1,000 for people of a particular age.
D) 1,000 minus the number of whichever sex is in excess.
E) the number of Y chromosomes in a population divided by one-third the number of X chromosomes.
Correct Answer:
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Q6: A boy developed signs of sexual maturity
Q7: Homosexuality
A) is seen only in humans.
B) has
Q8: Human males are the _ sex.
A) homozygous
B)
Q9: The Y chromosome was challenging to sequence
Q11: Unspecialized structures in embryos that develop into
Q12: The pseudoautosomal regions of the Y chromosome
Q13: In humans,if the SRY gene is not
Q14: Human females are the _ sex.
A) homozygous
B)
Q15: The male-specific region of the Y chromosome
A)
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