An allele is said to be dominant if

  • A
    It is expressed only in heterozygous combination
  • B
    It is expressed only in homozygous combination
  • C
    It is expressed in both homozygous and heterozygous condition
  • D
    It is expressed only in second generation

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If Mendel had studied $7$ pairs of traits in a plant with $12$ chromosomes instead of $14$,then:

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If two alleles for a particular trait in an organism are identical,it is called . . . . . .

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