Question : The ability to roll the tongue is dominant over the inability to do o in humans. a] If two heterozygous tonue-roller have childern, what genotypes could their children have? b] If a non-tongue-roller has children with a homozygous tongue-roller, what will theirchildren's genotypes be?

Question : The ability to roll the tongue is dominant over the inabili

1.	Question : The ability to roll the tongue is dominant over the inability to do o in humans. a] If two heterozygous tonue-roller have childern, what genotypes could their children have? b] If a non-tongue-roller has children with a homozygous tongue-roller, what will theirchildren's genotypes be?
Answer» Solution :a) Their children will have any one of the following GENOTYPES: RR/Rr/rr b) All their children will have Rr as their genotype with respect to their ABILITY to ROLL the tongue.