Question
Distinguish Between: Homozygous and Heterozygous.
Homozygous | Heterozygous |
1. Individuals with similar gene pairs are called homozygous. | 1. Individuals with different gene pairs are called heterozygous. |
2. Homozygous individuals form only one type of gametes. | 2. Heterozygous individuals form more than one type of gametes. |
3. Individuals with similar gene pairs TT, tt, RR and rr are homozygous. | 3. Individuals with dissimilar gene pairs Tt and Rr are heterozygous. |
4. Homozygous are also called pure breed. | 4. Heterozygous are referred to as hybrids. |
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Type of Pollination | Agent | Kind of flowers | Example |
1. Anemophily | ______ | Small, colourless, without nectar | Maize |
2.__________ | Bats | __________________________ | Adansonia |
3. Entomophily | ______ | Large, showy, sweet smell with nectar | _______ |
4.__________ | Birds | Brightly coloured, large, showy, with dilute nectar | _______ |