The chances of a woman over 40 years old having a baby with down syndrome is to experience more exposure to harmful environmental influences, leading to faulty cell division. Hence, option B is correct.
What is meant by down syndrome?
Congenital disorders include Down syndrome. This condition is brought on by a chromosomal error. People with Down syndrome typically have broad faces and small statures.
Both physical defects and intellectual disabilities may result from this defect or condition. Both their physical and mental health are compromised in those who have this syndrome.
Thus, option B is correct.
For more details about down syndrome, click here:
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The complete question has these options:
a. have eggs that suffer genetic mutations, leading to recessive illnesses
b. experience more exposure to harmful environmental influences, leading to faulty cell division
c. produce a flawed egg due to body aging, leading to chromosomal abnormalities
d. fail to produce eggs rapidly enough, leading to eggs that are not fully developed at the time of ovulation
