Using a six-sided die, what is the probability of rolling either a 5 or a 6?

A) 1/6 × 1/6 = 1/36
B) 1/6 + 1/6 = 1/3
C) 1/6 + 1/6 = 2/3


Answer: B

Biology & Microbiology

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The inheritance pattern where two or more genes do not assort independently because they are close together on the same chromosome is called

A. Mendelian inheritance. B. epistasis. C. genomic imprinting. D. linkage. E. dominance.

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What is the most likely explanation for how a group of crocodiles acquired the trait in which lower incubation temperatures give rise to male crocodiles?

A. Horizontal gene transfer from a related species has introduced changes in this group’s genome. B. Horizontal gene transfer from a related species has introduced changes in this group’s proteome. C. One or more mutations in the genome have been passed through the group by vertical descent. D. One or more mutations in the proteome have been passed through the group by vertical descent.

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Why is a digestive system with a single digestive opening inefficient?

What will be an ideal response?

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Proto-oncogenes operate in healthy cells

1.True 2.False

Biology & Microbiology