| Homozygous | Heterozygous |
| Genotype comprising of similar alleles for a trait. e.g., TT (for tall) or tt (for short) |
Genotype comprising dissimilar alleles for a trait. e.g.Tt |
| The individual could be either dominant or recessive. e.g: Individualswith TT genotype will be tall plants whereas individuals with tt genotype will be all short plants. |
The individual will usually be dominant or incompletely dominant but never recessive |
| The individuals will produce only one kind of gametes. e.g., either T or t |
The individual will produce two types of gametes. e.g., Both T and t gametes. |
| Homozygous individuals on selfing form pure lines or the true breeding individuals, i.e., those that produce progeny exactly identical to the parents |
Heterozygous individuals are hybrids and their progeny will not be exactlyidentical to the parents and will exhibit different phenotypes. |
Mention any two autosomal genetic disorders with their symptoms.
Who had proposed the chromosomal theory of inheritance?
What is point mutation? Give one example.
Explain the terms with example Incomplete dominance
Explain the terms with example Co-dominance