OBJECTIVE LIFE SCIENCE
GENETICS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
More than one set of genes contributing to the phenotype
|
|
A blending of genes getting an intermediate phenotype
|
|
A phenotype that has more than 2 possible alleles for a gene
|
|
None of the above
|
Detailed explanation-1: -Human height and color of skin and eyes occurs due to several genes, so it is an example of polygenic inheritance. So, the answer is D, i.e., Human height and color of skin and eyes.
Detailed explanation-2: -“Polygenic inheritance is defined as quantitative inheritance, where multiple independent genes have an additive or similar effect on a single quantitative trait.” Polygenic inheritance is also known as multiple gene inheritance or multiple factor inheritance.
Detailed explanation-3: -In polygenic inheritance, traits are determined by multiple genes, or polygenes. Polygenic traits may express several different phenotypes, or displayed characteristics. Polygenic inheritance is a type of incomplete dominance inheritance, where the expressed phenotypes are a mixture of inherited traits.