Mutations that result in the death of an organism when expressed are called ________ mutations.

A. recessive
B. dominant
C. conditional
D. lethal


Answer: D

Biology & Microbiology

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The loss of water from the leaves of plants is

A) adhesion. B) cohesion. C) transpiration. D) osmosis.

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Possessing two identical alleles for a particular trait.

What will be an ideal response?

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____ must have been the first eukaryotic cells

a. Archaea b. Bacteria c. Protists d. Fungi e. Microplants

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What effect do assortative matings have on populations?

A) They cause one sex to be much different than the other. B) They cause isolated groups to be more similar to each other. C) They increase the rate of mutations. D) They maintain appearance differences between groups.

Biology & Microbiology