Which of the following traits is controlled b | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) Polygenic inheritance is a type of inheritance in which a single trait is controlled by two or more genes. $1.$ Skin color in humans is a classic

Vedclass · Accepted Answer

Skin color

Vedclass · Answer

(A) Polygenic inheritance is a type of inheritance in which a single trait is controlled by two or more genes. $1.$ Skin color in humans is a classic example of polygenic inheritance,where the phenotype is determined by the cumulative effect of multiple genes. $2.$ Phenylketonuria is a Mendelian disorder caused by a mutation in a single gene ($PAH$ gene). $3.$ Down's syndrome is a chromosomal disorder caused by the presence of an extra copy of chromosome $21$ (trisomy). $4.$ Color blindness is an $X$-linked recessive disorder caused by a mutation in a single gene located on the $X$ chromosome. Therefore,the correct option is $A$.

Which of the following traits is controlled by more than one gene?

Similar Questions

The grain color in wheat is controlled by three pairs of polygenes. When a red-grained wheat variety is crossed with a white-grained variety,an $F_1$ hybrid is produced. When the $F_1$ hybrid is self-pollinated,what fraction of the $F_2$ generation will resemble the parental phenotypes?

Which one of the following is an example of polygenic inheritance?

The phenotypic ratio obtained in quantitative inheritance of a dihybrid cross is

In a plant,the weight of fruits is determined by the number of dominant alleles for several genes. If seven categories of weight are obtained,how many loci are involved in this trait?

$A$ polygenic trait is controlled by $3$ genes $A, B$,and $C$. In a cross $AaBbCc \times AaBbCc$,the phenotypic ratio of the offspring is observed as $1:6:x:20:x:6:1$. What is the possible value of $x$?

Vedclass Test Series

Exam Paper Generator

Online Exam Module