Which of the following results in a normal human female phenotype?

a. XX
b. XO
c. YY
d. XXX
e. YYY


ANSWER: d

Biology & Microbiology

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Which environment is most likely to produce trees without annual rings?

A. Tropical rain forest B. Northern evergreen forest C. Areas with alternating wet and dry seasons D. Temperate-deciduous forests E. None of these, because annual rings are characteristic of all trees

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The F plasmid is involved in which of the following processes?

A) conjugation B) transduction C) transposition D) transformation

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Lipid-soluble compounds, water, and gases simply diffuse across the plasma membrane by

What will be an ideal response?

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