A gene generally has how many alleles?

Four

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Three

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Two

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One

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Solution

The correct option is C Two
A trait is generally represented by a pair of contrasting genes or alleles which occur on homologous chromosomes.
Example, Tall and dwarf are alleles for plant height in Garden pea..
So, the correct answer is 'Two'

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If the two parents are heterozygous for a particular gene, how many different genotypes could possibly be seen in the $F_{1}$ generation?

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