PATHOLOGY

PATHOLOGY MCQ

GENETICS AND DISEASE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
True or False:A phenotype describes the physical expression (characteristics) of a gene. In other words, how something looks.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -This statement is true. In genetics, a phenotype is a physical trait present in an organism. This trait could depend on the organism’s genotype (the alleles, or gene variations, that the organism has in its DNA).

Detailed explanation-2: -Definition. Phenotype refers to an individual’s observable traits, such as height, eye color and blood type. A person’s phenotype is determined by both their genomic makeup (genotype) and environmental factors.

Detailed explanation-3: -The observable characteristics in an individual resulting from the expression of genes; the clinical presentation of an individual with a particular genotype.

Detailed explanation-4: -The organism phenotype includes its morphological, biochemical, physiological, and behavioral properties. Therefore, the phenotype is the total characteristics displayed by an organism that results from the expression of the genes of an organism as well as the influence of environmental factors and random variation.

There is 1 question to complete.