Question

The chances of an offspring having Down syndrome __________ with the mother’s age
A. Decreases with the mother's age
B. Increases
C. Is not influenced
D. There is no correlation

Answer 1

Hint:
Down syndrome is a genetic problem that affects how the brain and nervous system develop. It creates physical differences in appearance, including an increased risk of heart defects, blindness, deafness, autism, seizures and intellectual disabilities. Down syndrome occurs when there is a problem with one or more chromosomes in a baby's genes.

Complete step by step answer:
The chances of an offspring having Down syndrome increase with the mother’s age. This is due to a decrease in chromosomes at conception and during early development, which can lead to Down syndrome.
Although this finding has been reported in numerous scientific journals, it still remains unclear as to why older mothers are more likely to conceive children with Down syndrome.
There is a definite link between a mother's age and the chance of an offspring having Down syndrome. As women get older, their eggs become less likely to carry a baby with Down syndrome. However, this doesn't mean that every woman over the age of 35 will have a child with Down syndrome - only those who are at the highest risk for developing the disorder will do so.
The increased risk is due primarily to older women's increased likelihood of getting pregnant by means other than intercourse (such as in-vitro fertilization or artificial insemination).

Option ‘B’ is correct

Note:
Most people with Down syndrome have three copies of chromosome 21 (trisomy), which causes some features to be more apparent than others.
There is no known cure for Down syndrome, but treatment focuses on managing its symptoms as best as possible. Early detection and diagnosis are important because treatments can improve down Syndrome children's lives significantly by delaying or preventing many medical problems from occurring.