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27 January, 22:46

In a group of tomato plants, some individuals have red fruit and others have yellow fruit. In this group, the gene for the fruit color trait has two alleles. The allele for yellow fruit (f) is recessive to the allele for red fruit (F). One tomato plant has (FF) and the other has (ff). What is the probability that a tomato plant produced by this cross will be homozygous dominant for the fruit color gene? *

a) 0 Percent

b) 25 Percent

c) 50 percent

d) 75 percent

e) 100 Percent

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  1. 27 January, 22:47
    0
    25 %

    Explanation:

    Genetically, homozygous dominant stands for FF and for the probability of an offspring to have this genetic constitution we make the cross of the genotypes FF and ff. From random fertilisation, the following genotypes would be clearly observed, FF, Ff, Ff and ff, making a probability of FF 1/4 which is equivalent to 25%.
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