The probability of any particular allele occurring in a gamete is best explained by which event?
a. mitotic cell divison
b asexual
c embryonic cell differetiation
d random chromosome segergation

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer?

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?