What does it mean for a trait to be Mendelian?(1 point) Responses The trait is affected by only one gene The trait is affected by only one gene The trait has only 2 possible alleles. One is dominant, the other is recessive. The trait has only 2 possible alleles. One is dominant, the other is recessive. The trait can be placed in a punnett square The trait can be placed in a punnett square The trait has only 2 alleles, but can have any number of phenotypes

The trait is affected by only one gene and has only 2 possible alleles. One is dominant, and the other is recessive.