Eumetazoa can be subdivided into two principal branches based on ________.

Fill in the blank(s) with the appropriate word(s).


symmetry

Biology & Microbiology

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Over several generations in a population, inbreeding tends to

A. decrease the relative proportions of homozygotes. B. decrease the likelihood of heterozygotes. C. stabilize the balance of genotypes predicted by the Hardy-Weinberg equilibrium. D. All of the choices are correct.

Biology & Microbiology

The number of new cases of a disease occurring during a period is referred to as the _____ of the disease

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Gametes may carry different combinations of alleles because of Select one:

a. random fertilization and alignment of chromosomes. b. random fertilization and crossing over. c. crossing over and random alignment of chromosomes. d. random fertilization. e. random alignment of chromosomes.

Biology & Microbiology

The intermediate host for a blood fluke is a:

a. human. b. cow. c. dog. d. cat.

e. snail.

Biology & Microbiology