A crossover in meiosis is an exchange of genetic material between A.)sister chromatids of the same chromosome.

B.)sister chromatids of homologous chromosomes.

C.)sister chromatids of nonhomologous chromosomes.

D.)nonsister chromatids of homologous chromosomes.

E.)nonsister chromatids of nonhomologous chromosomes.

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms

What happens when the cell copies its chromosomes

Which represents the cross between parent plants if one is heterozygous for yellow-colored pods and the other is homozygous for green-colored pods? yy  ´    ´    ´    ´  yy