A group of biologists studied the genes of 500 members of a species of freshwater fish called Mozambique tilapia over five generations. Their results are provided in the table below. Use this information to answer the following question.
Generation Black tilapia (DD) Bronze tilapia (Dd) Gold tilapia (dd)
0 250 100 150
1 234 243 23
2 307 177 16
3 358 131 11
4 392 104 4
5 429 67 4
Which of the following statements is true?
(1 point)
Responses
The frequency of the dominant and recessive alleles increased
The frequency of the dominant and recessive alleles increased
The frequency of the dominant and recessive alleles decreased
The frequency of the dominant and recessive alleles decreased
The frequency of the dominant allele increased. The frequency of the recessive allele decreased.
The frequency of the dominant allele increased. The frequency of the recessive allele decreased.
The frequency of the dominant allele decreased. The frequency of the recessive allele increased.
The frequency of the dominant allele decreased. The frequency of the recessive allele increased.
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