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1) A non-albino female who is a carrier for the albino allele (Aa), mates with a

ID: 3516371 • Letter: 1

Question

1) A non-albino female who is a carrier for the albino allele (Aa), mates with an albino (aa) male. What is the probability that their children will be albino?

A- 0%

B- 25%

C- 50%

D- 75%

E- 100%

2) Pulling to a standing position is a typical milestone for which age?

A- 6 weeks

B- 6 months

C- 12 weeks

D- 12 months

E- 18 weeks

3) The inclusion of ______________ in a woman’s diet during the early stages of her pregnancy significantly reduces the risk for neural tube defects in her developing embryo.

A- Vitamin E

B- Vitamin D

C- Vitamin A

D- Folic acid

E- Calcium

Explanation / Answer

Ans. 1.

The choice is (C).

There is 50% probability that their children will be albino.

Aa + aa = Aa + aa + Aa + aa

From the result, out of four probability, two times there is probability of 'aa', therefore 2/4 × 100 = 50%.

Ans. 2.

The choice is (B).

Pulling to a standing position is a typical milestone of 6 months baby.

But, ideally pulling to standing position is typical for 8 to 10 months old baby. It can happen earlier to 8 months also and later to 10 months also.

Ans.3.

The choice is (D)

The inclusion of FOLIC ACID in a woman's diet during the early stages of her pregnancy significantly reduces the risk for neural tube defects in her developing embryo.

FOLIC ACID in the dose of 4mg/day reduces the chances of neural tube defects in developing embryo. Folate and Vitamin B12 deficiency can both cause neural tube defects but neural tube defects caused by folate deficiency is more common. Women should start taking FOLIC ACID before one month of conceiving and should continue at least till the end of first trimester. Folic acid reduces chances of neural tube defects by 70%. Folic acid helps in production and functioning of DNA.