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which is 25% Homozygous Dominant (MM), 50%

Heterozygous (Mm), and 25% Homozygous Recessive

(mm).

So backcrossing will seriously control the

frequencies of a specific trait in the

offspring.

The first backcross is simply called A

BACKCROSS. Now let us see what happens when we

do our second backcross using the same PARENT

that we are keeping alive through cloning. Our

second backcross is referred too a SQUARING.

Since we are dealing with only 2 types of

offspring Mm and MM we will either repeat our

results.....

Which is the same as our results from our first

backcross........Or

(^) M m
M MM Mm
m Mm mm
(^) M m
M MM Mm
M MM Mm