How many different gametes can an RRYy parent form? What are they?

Question

I really hate biology. I have no idea how to do this.

Answer 1

RY
Ry

Two.

Answer 2

you need to use this formula: 2^n the place n is the variety of heterozygous genes. Examples: AA => n=0 => 2^0=one million => A Aa => n=one million => 2^one million=2 => A dan a AaBb => n=2 => 2^2=4 => AB, Ab, aB dan ab AAbbCCdd => n=0 => 2^0=one million => AbCd So, for RRYy n=one million => n^one million = 2 gametes: RY and Ry