In tomatoes, the genes that determine the height of the stem and the shape of the fruit are linked, with the tall stem dominating

In tomatoes, the genes that determine the height of the stem and the shape of the fruit are linked, with the tall stem dominating over dwarfism, and the spherical shape of the fruit over the pear-shaped. What offspring can be expected from crossing a plant heterozygous for both traits with a dwarf one that has pear-shaped fruits, given that crossover gametes are not formed.

Given:
A – tall stem gene
a – dwarfism gene
B – spherical gene
b – pear-shaped gene
Full grip
P: P ♀AB // ab x ♂ ab // ab
Define:
F1 genotypes and phenotypes

Crossing scheme
R: ♀AB // ab x ♂ ab // ab
tall dwarf
globular pear-shaped

G: AB, ab ab

F1: AB // ab: ab // ab
½ (50%) ½ (50%)
tall dwarf
globular pear-shaped

Answer:
F1: ♀AB // ab: ♂ ab // ab
½ (50%) ½ (50%)
tall dwarf
globular pear-shaped

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