Question

4. Suppose a dominant allele (N) codes for a big nose and a recessive allele (n) codes for a small nose.

Answer 1

Ya , the most appropriate answer is A ! as both the alleles are dominant and thus called homozygous and must results in large nose !

Answer 2

Answer: A. The organism has a large nose because it is homozygous dominant.

The genotype of the organism who receives dominant allele (N) from both parents is 'NN'. It is called as homozygous dominant genotype.

Whereas, the phenotype of an organism is the physical appearance or the morphological character that the organism exhibits. It is Large nose according to the given situation.