An egg always donates

two y chromosomes

two x chromosomes

a x chromosome

a y chromosome

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

What enzyme is most important for dna replication and why?

3differences between bacteria and other 2 cells