In which of the following choices are the phenotypic ratio and genotypic ratio the same?

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In which of the following choices are the phenotypic ratio and genotypic ratio the same?

a test cross,
sex linked problems,
problems dealing with incomplete dominance,
problems dealing with multiple alleles.

2007-04-28 14:21:29 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Biology

2 answers

Also Incomplete dominance
RR = red flower color rr = white flower color Rr = pink

Red X white

RR x rr

Rr genotype and phenotypes are the same.

Mate Rr x Rr

There is a 1: 2 :1 genotype and phenotype ratio as well.

2007-04-28 15:08:38 · answer #1 · answered by ATP-Man 7 · 0⤊ 0⤋

test cross

Example:
Tt x tt = 1 Tt: 1 tt or 1 tall: 1 short
TT x tt = 100% Tt or 100% tall

2007-04-28 14:27:25 · answer #2 · answered by ecolink 7 · 0⤊ 0⤋