PATHOLOGY

PATHOLOGY MCQ

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is a “Purebred Gene”?
A
When both alleles are the same form.
B
When alleles have different forms.
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -An individual that contains two copies of the same allele for a specific gene is homozygous. An individual that contains two different alleles of a gene is heterozygous. A cow that has two alleles for a red coat is homozygous (bb). A bull with two alleles for a black coat is homozygous (BB).

Detailed explanation-2: -Homozygous: Having two identical alleles for a trait.

Detailed explanation-3: -Homozygous also refers to a genotype consisting of two identical alleles of a gene for a particular trait. An individual may be homozygous dominant (AA) or homozygous recessive (aa).

There is 1 question to complete.