PATHOLOGY

PATHOLOGY MCQ

GENETICS AND DISEASE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these represents an organism that has two different alleles for a trait?
A
heterozygous
B
homozygous
C
incomplete dominance
D
polygenic
Explanation: 

Detailed explanation-1: -Heterozygous refers to having different alleles for a particular trait. If the two versions are different, you have a heterozygous genotype for that gene.

Detailed explanation-2: -A hybrid organism is one that is heterozygous, which means that is carries two different alleles at a particular genetic position, or locus. Therefore, a dihybrid organism is one that is heterozygous at two different genetic loci.

Detailed explanation-3: -Homozygous: Having two identical alleles for a trait.

Detailed explanation-4: -Correct Option-A TtRR Explanation-’Tt’ and ‘Rr’ are the two pairs of heterozygous alleles.

Detailed explanation-5: -Heterozygous is a kind of organism that has different alleles present in its genotype for the same gene. For example, a pea plant might have both the alleles “Aa” in its genotype for seed texture, or round ("A") or wrinkled ("a") seeds.

There is 1 question to complete.