What is the chance that a human zygote will receive one X and one Y sex chromosome during fertilization?

Chlorhexidine gluconate is it safe to use after teeth removal

Which of the following is found inside a pollen grain? the female gametophyte, the male gametophyte, the megaspore, the sporophyte

Botulism is caused by ingestion of a proteinaceous exotoxin; therefore

When ocean waves hit the beach, kinetic energy is stopped by the sand and rocks on the beach. The energy is then lost from the ocean. How does this example show the Law of Conservation of Energy?

Which is one cause of speciation? 1. Populations become infertile. 2. Populations are morphologically separated 3. Populations become reproductively isolated. 4. Populations interbreed.

What does DNA contain A. the chromosomes that build proteins B. the coded blueprint C. the ability to translate RNA code D. the factors for heredity called alleles

Most organisms can be divided into two categories - prokaryotes and eukaryotes. What is the main difference between these two categories?

Triggers that may lead to an episode of drug abuse/use can be

Grana, thylakoids, and storms are all components found in

Why can't animal cells experience turgidity?