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Question

A Mendelian experiment involved the hybridization between tall (T) pea plants with violet (W) flowers and dwarf (t) pea plant with white (w) flowers. The genetic makeup of the F1 hybrid can be depicted as

A
TT ww
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B
TT Ww
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C
Tt Ww
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D
tt Ww
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Solution

The correct option is C Tt Ww
During meiosis, the pairs of a homologous chromosome are divided in half to form haploid cells, and this separation, or an assortment of homologous chromosomes, is random. This means each haploid cell contains a mixture of genes from the organism's mother and father. Since the parents are TTWW and ttww, the gametes that are formed during meiosis are tt, ww from one parent and TT, WW from another parent. These gametes combine and form the hybrid with the genetic makeup of TtWw. Thus, option C is correct.

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