In cats, black fur color is caused by an x-linked allele; the other allele at this locus causes orange color. the heterozygote is tortoiseshell. what kinds of offspring would you expect from the cross of a black female and an orange male?
a. black females; orange males
b. orange females; black males
c. orange females; orange males
d. tortoiseshell females; black males
e. tortoiseshell females; tortoiseshell males
Answers: 3
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Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.
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In cats, black fur color is caused by an x-linked allele; the other allele at this locus causes ora...
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