A pleiotropic gene
controls a trait only in combination with another gene
controls multiple traits in an individual
is expressed only in primitive plants
is a gene evolved during Pliocene.
A man and a woman, who do not show any apparent signs of a certain inherited disease, have seven children ($2$ daughters and $5$ sons). Three of the sons suffer from the given disease but none of the daughters are affected which of the following mode of inheritance do you suggest for this disease
Assertion : Phenylketonuria is a recessive hereditary disease caused by body’s failure to oxidize an amino acid phenylalanine to tyrosine, because of a defective enzyme.
Reason : It results in the presence of phenylalanine acid in urine.
Which one from those given below is the period for Mendel’s hybridisation experiments ?
Term 'genetics' was given by
In which of the following disorder a single protein that is a part of the cascade of proteins involved in blood clotting is affected?