Question

Cystic fibrosis is caused by an autosomal recessive allele (n). The allele for the normal condition is dominant (N). Two parents appear normal, but the mate has a brother withcystic fibrosis. Which of the following tools will BEST help this family predid their chances of carrying and passing this disease to their offspring?a test Crossa pedigreeO hydrolysisOPunnet SquareBackNexdAll PreviousType here to searchti

Answer 1

The Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment. It is named after Reginald C. Punnett, who devised the approach in 1905. The diagram is used by biologists to determine the probability of an offspring having a particular genotype.

Answer: Punnet Square