A cross between 2 individuals results in a ratio of 9:3:3:1 for 4 possible phenotypes. This is an example of a

Question

A) dihybrid cross

B) monohybrid cross

C) testcross

D) none of these

E) all of these

Answer 1

A. Dihybrid cross

http://en.wikipedia.org/wiki/Dihybrid_cr...

Answer 2

A) dihybrid cross,

also shows the law of independent assortment.

Answer 3

The answer is A), dihybrid cross. Dihybrid crosses look at two genes. Since each gene exhibit either a dominant or recessive trait, you can have combinations of dom-dom, dom-rec, rec-dom, or rec-rec. each of these combinations is a possible phenotype.

Answer 4

A) dihybrid cross