People who carry genetic disorders are

(A) heterozygous.

(B) homozygous.

(C) polygenic.

(D) haploid

During fertilization, the nuclei of the egg and sperm do what?

5. Florida boa constrictors are invasive top predators. How does the boa constrictor negatively impact species in the tertiary trophic level? * It would not affect them Tertiary consumers would increase.

How do Protista differ from bacteria and archaea

child has a disease that is causing severe growth delays and rapid aging. His cells are assayed, and it is noticed that there is a severe decrease in DNA synthesis compared to normal cells.

Mastering biology why is a frameshift missense mutation more likely to have a severe effect on phenotype than a nucleotide-pair substitution missense mutation in the same protein?

Which feature cause a gap in the geologic record a. extrusion b. fault c. intrusion d. unconformity

Which of the following correctly describes a way in which Earth's atmosphere interacts with the geosphere? It contains gases that living organisms breathe. It contains gases that trap incoming solar radiation.

Which fossils provide information as to the mode of formation of an oxygen-rich atmosphere by about 2 billion years ago? multiple choice dinosaurs stromatolites trilobi?

How does hibernation maintain body temperature?

What acid precipitation and two examples of the negative effects of air pollution.