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In pea plants, tall stem height is determined by the dominant allele T. Plants that are homozygous for the recessive allele t have short stem height. A tall pea plant is self-fertilized and the progeny are made up of 72 tall plants and 19 short plants.

If the tall plants progeny are allowed to self-fertilize, approximately how many of them are expected to breed true?

A

All of them will breed true.

B

54

C

24

D

18

E

None of them will breed true.

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