K.C.S.E Biology Q & A - MODEL 2011PP1QN24
Differentiate between the following terms:
(i)dominant gene and recessive gene:
(ii) continuous variation and discontinuous variation.
(i) Dominant gene expresses itself phenotypically in both its homozygous and heterozygous states while recessive gene can only express itself phenotypically in the homozygous state;
(ii) Continuous variation is a characteristic for which there is a continuum or range while discontinuous variation is a characteristic for which there are discrete categories or units;