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Question
When a gene exists in more than one form, the different forms are called:
When a gene exists in more than one form, the different forms are called:
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Solution
The correct option is C Alleles
Alleles are the two forms of a gene that attribute to contrasting traits. The two alleles express two different phenotypes. The allele which shows its effect even in the heterozygous condition is known as the dominant allele and the allele which is unable to express itself in the heterozygous condition (in presence of the dominant allele) is known as the recessive allele.
So, the correct answer is option D.
Alleles are the two forms of a gene that attribute to contrasting traits. The two alleles express two different phenotypes. The allele which shows its effect even in the heterozygous condition is known as the dominant allele and the allele which is unable to express itself in the heterozygous condition (in presence of the dominant allele) is known as the recessive allele.
So, the correct answer is option D.
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