Use the laws of probability to predict, from a trihybrid cross between two individuals that are heterozygous..

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Use the laws of probability to predict, from a trihybrid cross between two individuals that are heterozygous..

for all three traits, what expected proportion of the offspring would be:
a. homozygous dominant for the three traits
b. heterozygous for all three traits
c. homozygous recessive for two specific traits and heterozygous for the third

2007-12-08 05:00:57 · 2 answers · asked by wha 2 in Science & Mathematics ➔ Botany

2 answers

AaBbCc x AaBbCc
This can be looked at with each hybrid cross separately
AaxAa => Aa aA : AA : aa or 1/2:1/4:1/4
So AA1/4 x BB1/4 x CC1/4 is the chance of homozygous dom. or rec. ie 1 in 64
Aa 1/2, Bb 1/2, Cc 1/2
aabbCc is 1/4 x 1/4 x 1/2

2007-12-08 06:53:23 · answer #1 · answered by gardengallivant 7 · 0⤊ 2⤋

Trihybrid Cross

2016-10-18 07:47:13 · answer #2 · answered by Anonymous · 0⤊ 0⤋