Questions about dna i need help please answer,

offspring with homozygous allels recieve how many allels from each parent?

what possible genotypes will the offspring have if the parents blood types are O and AB?

a disease that is already being treated by use of recombinant DNA, a method of...

genetic engineering.

name three traits of polygenic inheritance.

This sounds like homework,do it on your own it's supposed to be a review of what you've learned in class,obviously you weren't paying attention

One allele from each parent.

AO or OB.

Cystic fibrosis.

- More than one gene controls the expression of the phenotype
- The phenotype often shows a continuum (for example, height is determined by loads of different gene and environmental factors and therefore shows a wide range between individuals)
- Can't really think of another, sorry.