NEET BIOLOGY

GENETICS AND EVOLUTION

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which statement describes the genetic relationship between a mother and her children?
A
Each child has exactly the same set of genes as the mother
B
Half of the genes of each child are inherited from the mother
C
Every gene inherited from the mother is expressed in the child
D
The contribution of genes inherited from the mother to elite sporting performance can be easily established
Explanation: 

Detailed explanation-1: -So the relationship between genes and chromosomes is that there are multiple genes located on a chromosome. Therefore, the correct answer is (A). The relationship between genes and chromosomes is that there are many genes located on a single chromosome.

Detailed explanation-2: -DNA is inherited from each parent by the process of reproduction. Reproduction is the process of the formation of a new individual to pass down the genetics by the process of fusion of the male and female gamete. DNA is passed from the mother in the egg. It is passed down from the father in the sperm.

Detailed explanation-3: -When a gene is inherited from either parent, the offspring will inherit that genetic condition or characteristic.

Detailed explanation-4: -How are ABO alleles inherited by our children? Each biological parent donates one of their two ABO alleles to their child. A mother who is blood type O can only pass an O allele to her son or daughter. A father who is blood type AB could pass either an A or a B allele to his son or daughter.

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