Author Question: In humans, the genetic basis for determining the sex "male" is accomplished by the presence of ________. (Read 90 times)

danielfitts88 · **on:** Mar 26, 2020

Question 1

One form of hemophilia is caused by a sex-linked recessive gene. Assume that a man with hemophilia marries a phenotypically normal woman whose father had hemophilia. What is the probability that their first son will have hemophilia?
◦ 1/16
◦ 1/8
◦ 1/2
◦ 3/4
◦ 1/4

Question 2

In humans, the genetic basis for determining the sex "male" is accomplished by the presence of ________.
◦ a balance between the number of X chromosomes and the number of haploid sets of autosomes
◦ multiple alleles scattered throughout the autosomes
◦ one X chromosome
◦ high levels of estrogen
◦ a portion of the Y chromosome

jojobee318 · **Reply #1 on:** Mar 26, 2020

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