In tomato's, red fruit (r) is dominant over yellow fruit (r). what is the probability that an offspring of plants that are heterozygous (rr) produce plants with the homozygous recessive (rr) genotype?

1 out of 4

or

25%

Explanation:

First we draw a Punnett Square for this:

          R      r

   R    RR    Rr

   r     Rr     rr

So here we have the following genotypes possible for this cross:

RR = homozygous dominant

Rr = heterozygous dominant

rr = homozygous recessive

As you can see out of the four (4) possible outcomes, one (1) of them is rr. So the probability is 1 out of 4 chances or 25%.

c

explanation:

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