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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____ must have been the first eukaryotic cells
a. Archaea b. Bacteria c. Protists d. Fungi e. Microplants
Biology & Microbiology
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
The loss of water from the leaves of plants is
A) adhesion. B) cohesion. C) transpiration. D) osmosis.
Biology & Microbiology
Possessing two identical alleles for a particular trait.
What will be an ideal response?
Biology & Microbiology