Question

A true breeding tall pea plant crossed with
a true breeding dwarf pea plant gave F1
selfing resulted in 787 tall and 277 dwarf
plants in F2 generation. The Fı plants are
A
Polyzygous
B
Azygus
С
Homozygous
D
Heterozygous​

Answer 1

Answer:

Explanation:

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Answer 2

Answer:

The F1 plants are heterozygous according to Mendel.

Explanation:

• Mendel bred a pure dwarf plant (PDP) with a pure tall plant (TT) (tt). The F1 generation produces tall plants (Tt).
• Heterozygous: When an organism is heterozygous, it has two distinct alleles of the same gene.
• Carriers are always heterozygous.
• Self-pollination on the F1 plant results in the formation of 3 tall plants and 1 dwarf plant in the F2 generation.
• One homozygous tall plant (TT) gives rise to two heterozygous tall plants (Tt) and one homozygous dwarf plant (TT).
• The phenotypic to genotypic ratio is 3:1 and 1:2:1.

Hence, the F1 plants are heterozygous in nature.

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