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Inheritance
Genetic transmission of characteristics from parents to offsprings.
The mechanism of inheritance is carried by the sex cells (gametes) and is controlled by genes found in the chromosomes.
Genes are very tiny units of inheritance carrying particular characteristics, such as colour, body shape and amount of milk production.
Chromosomes are genetic materials which carry genes.
They exist in pairs paternal and maternal) in the nucleus f the body cells. They are always constant in number.
Dominant and Recessive Characteristics
A dominant gene is one that suppresses the other.
It produces a dominant characteristic.
A recessive gene is one that is suppressed by the other. It produces a recessive characteristic.
Hybrid and Hybrid Vigour
A hybrid is an animal which is the product of crossing animals of two different breeds.
Hybrid vigour or heterosis is increased vigour and performance resulting from crossing two superior breeds.
Epistasis
This is the masking of the effect of one gene by another gene which is non-allelic, that is situated on different locus.
Kavungya answered the question on April 25, 2019 at 13:01
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