1.Which of the following individuals is most likely to allow a recessive lethal gene to be kept in a population over several generations?
A.homozygous dominant
B.homozygous recessive
C.heterozygous
3.A population of crocodiles is said to be in Hardy-Weinberg equilibrium. If so, which of the following must be true?
A. Genetic drift is taking place.
B. New individuals are migrating into the population.
C. Natural selection is placing pressure on allele frequencies.
D. No new mutations have occurred.
2007-02-02
09:33:27
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4 answers
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asked by
Penguin Lover
1
in
Science & Mathematics
➔ Biology