The gene frequency for a particular trait in a population in Texas was determined to be 80% X (dominant) and 20% x (recessive allele). Twenty years later, the gene frequency was determined to be 65% X and 35% x. What does this change indicate about the gene pool?(1 point)

Responses

It is evolving.
It is evolving.

It lacks nutrition.
It lacks nutrition.

It has become predominantly recessive.
It has become predominantly recessive.

It has remained stable.