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Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16

Vessels draining the myocardium of the heart, open primarily ,into which chamber?