Biology
Define the following terms :-
(i) Allele
(ii) Dominant gene
(iii) Genotype
(iv) Phenotype
(v) Recessive gene
Answer
(i) Alternative forms of a gene, occupying the same position on homologous chromosomes and depicting different forms of the same character are called alleles.
(ii) The gene which can super-rule or mask the effect of its allele is called Dominant gene.
(iii) The set of genes present in the cells of an organism is called its genotype.
(iv) The observable characteristics which are genetically controlled are called as phenotype.
(v) The form of allele which remains submissive in presence of dominant form and expresses only in homozygous condition is called recessive gene.
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