Q164 / 180 · NEET 2015 (Phase 1) · Zoology

Alleles are:

  • A
    Different phenotype
  • B
    True breeding homozygotes
  • Correct answer
    C
    Different molecular forms of a gene
  • D
    Heterozygotes

Solution

Allele: Genes which code for a pair of contrasting traits are known as alleles i.e., they are slightly different forms of the same gene.

Heterozygous: An individual having two different alleles(Tt).

Phenotype: It is an observable morphological appearance of an organism.

Homozygous: Two alleles of  a gene are identical (TT or tt).

Hence, the correct answer is option: 'C'.

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