In $M e l a n d r i u m$ plants, presence of 2 pairs of autosomes and an allosomal composition of XXY would make them

Males

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Females

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Sterile

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Intersexes

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Solution

The correct option is A Males
Melandrium album, a dioecious plant species, has two heteromorphic sex chromosomes with the XY constitution typical for male and the XX for female plants. This plant represents an experimental model system of sex determination in which the Y chromosome plays a strongly dominant male role. In Melandrium plants, presence of 2 pairs of autosomes and an allosomal composition of XXY would make them males.

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