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Question
Genic sex determination, in which sex-determining genes are present without distinct sex chromosomes, occurs in:
Options
Chlamydomonas
Grasshopper
Drosophila
Vallisneria
MCQ
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Solution
In Chlamydomonas, sex-determining genes are present, illustrating genic sex determination. Vallisneria shows XX–XO chromosomal determination, while Drosophila and grasshopper show chromosomal systems as well.
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