Question

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

Imagine that an organism receives a dominant allele from its mom and a dominant allele from its dad. What
can be determined about its genotype and phenotype?
A. The organism has a large nose, because it's homozygous.
B. The organism has a small nose, because it's homozygous.
C. The organism has a small nose, because it's heterozygous.
D. The organism has a large nose, because it's heterozygous.

The Correct Choice is A

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.