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.
2007-02-01 13:53:35 · 4 answers · asked by mike 1 in Science & Mathematics ➔ Biology
d
2007-02-01 14:32:53 · answer #1 · answered by wesnaw1 5 · 0⤊ 0⤋
D; in order for there to be Hardy-Weinberg equilibrium,
1. mutation is not occurring
2. natural selection is not occurring
3. the population is infinitely large
4. all members of the population breed
5. all mating is totally random
6. everyone produces the same number of offspring
7. there is no migration in or out of the population
2007-02-01 14:23:47 · answer #2 · answered by TheAutumnPhoenix 3 · 0⤊ 0⤋
D.
All the other answer are going to cause changes, not equilibrium.
2007-02-01 14:19:43 · answer #3 · answered by ecolink 7 · 0⤊ 0⤋
C
2007-02-03 15:46:04 · answer #4 · answered by Qyn 5 · 0⤊ 0⤋