In humans, widow's peak (W) is dominant over straight hairline (w). If a heterozygous male marries a female with a straight hairline, what percent of their children can be expected to have widow's peak?

a) can't be determined
b) 25%
c) 0%
d) 100%
e) 50%


Ans: e) 50%

Biology & Microbiology

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An integrated set of hypotheses that together explain a broader set of observations is considered a(n)

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Discuss how mutations in proteins can be used to examine the link between a person’s genotype and that person’s

phenotype. What will be an ideal response?

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In a plant, analysis of Rubisco reveals that, in some proteins, rbcL is deficient while rbcS is normal. In other Rubisco proteins, both rbcL and rbcS are normal. What does this indicate about the two genes encoding these subunits?

What will be an ideal response?

Biology & Microbiology

The vertebrae of today’s cod fish is a _____ with the prehistoric bony fish who also possessed vertebrae

a. homoplastic character b. monophyletic character c. shared derived character d. shared ancestral character e. shared homologous character

Biology & Microbiology