Deleterious recessive alleles, such as the allele that causes cystic fibrosis, can persist in a population indefinitely. Why aren’t these rare alleles eliminated completely?

acceleration= v2-v1/t so 8m/s-3m/s / 3s =to 8/3 or

2.67 m/s^2

hope i

-lavira: )

carbon atoms, hydrogen, oxygen, and nitrogen.

the contamination

we are putting to many trash.

which fault and or fold did you find most difficult to diagram