Sickle cell anaemia has not been eliminated from the African population because
it is controlled by dominant genes
it is controlled by recessive genes
it is not a fatal disease
it provides immunity against malaria.
Which of the following is an inherited trait in man
The most likely reason for the development of resistance against pesticides in insect damaging a crop is
A pedigree chart below shows the inheritance of a particular sex-linked trait ("trait") Key: Unaffected Males Affected Males Unaffected Females Affected Females How is the trait being studied in the pedigree chart above?
Mongolism syndrome is caused by
Single gene can exhibit multiple phenotypic expression, this is called.....