Pls ! a man and woman have a son who is color blind, a recessive sex-linked trait carried on the x-chromosome, but neither parent is color blind. the woman is now pregnant with their second child. which of the following statements is true about the second child? (2 points)

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.

The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations

Physical characteristics of down syndrome