Question

Explain the following terms:
(a) Heterozygous
(b)Homozygous
(c)Pedigree chart

Answer 1

(a) Heterozygous: these are inherits two different alleles from the parents for a particular gene. For example tall allele and short allele, written as Tt.

(b) Homozygous: these are inherits two similar alleles from the parents for a particular gene. For example tall allele and tall alleles, written as TT where as short allele and short alleles, written as tt.

(c) Pedigree chart: Pedigree chart pictorial representation or family tree presenting different members and generations of an organism.