How does natural selection lead to evolution?
a. organisms with adaptations cannot pass them on.
b. every generation is a new species.
c. an organism always has the same traits as its parent.
d. a species can gradually change into a new species?

Determine if the following statement is true or false. if true, choose true. if false, choose the rewording that is true. according to the law of independent assortment, alleles for each gene are inherited together so that they always stay together. according to the law of independent assortment, offspring express a combination of their parents' traits. according to the law of independent assortment, alleles for a characteristic split during meiosis and combine during fertilization. true according to the law of independent assortment, alleles for each gene are inherited independently so that no two alleles stay together.

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca