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OleMash [197]
3 years ago
10

Folic acid is a type of vitamin that is essential for the normal growth and development of cells in the body. If a woman consume

s folic acid in her diet before and during the earliest stages of pregnancy, it can help to reduce her baby's risk for developing a type of birth defect called a neural tube defect. Early in pregnancy, the neural tube forms the brain and spinal cord. If the neural tube does not form properly, serious birth defects may result.
Identify one factor, other than a lack of folic acid that may interfere with the proper development of essential organs during pregnancy.
Biology
1 answer:
goldfiish [28.3K]3 years ago
7 0

Answer:

Calcium, Iron.

Explanation:

Calcium and Iron

Calcium is an essential nutrients element in man's diet. The requirement of calcium is 1000mg per day but for a pregnant woman more than this is required because of the developing feotus. Calcium helps in bone development, heart and nervous system functioining. When calcium is not available for developing embryo its lead to soft bone formation and Ricket in small children. Calcium can be gotten from green vegetables, fruits such as citrus, milk product such as cheese and yoghurt.

Iron is also an essential nutrients element for pregnant woman its helps in the formation of heamoglobin in red blood cell, Heamoglobin in the red blood cell helps in the transport of oxygen in the body. Hence, when iron is low heamoglobin cannot be formed and oxygen circulation is inhibited. Sources of calcium include meat, egg, liver.

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Absolute brightness is the true brightness of a
kati45 [8]

Answer:

How bright the star appears at a standard distance of 32.6 light years or 10 parsecs.

Explanation:

I majored in Biology

3 0
3 years ago
small group of 100 people decide to isolate themselves from the world and move to a small and remote deserted island. Out of thi
irina [24]

Answer:

Frequency of p = 0.684

Frequency of p = 0.316

Number of individuals with homozygous dominant (AA) = 47

Number of individuals with heterozygous (Aa)= 43

Number of individuals with homozygous recessive (aa) = 10

Explanation:

Out of 100 people, 10 have albino skin (aa)

So, the frequency of homozygous recessive individuals (q^{2}) is \frac{10}{100} = 0.1

Now, q will be

= \sqrt{q^{2} } = \sqrt{0.1} \\= 0.316

As per Hardy Weinberg's equation -

p + q = 1

Substituting the value of q in above equation, we get -

p + 0.316 = 1p = 1 -0.316\\p = 0.684

Now the frequency of homozygous dominant (AA) will be

p^{2} = 0.684^{2} \\= 0.467

Hence, out of 100 people 0.467 * 100 = 46.7 or 47 people are homozygous dominant (AA)

Like wise out of 100 people 0.1 * 100 = 10 people are homozygous recessive (aa)

As per As per Hardy Weinberg's equation-

p^{2} + q^{2} + 2pq = 1\\

Substituting the values in above equation, we get -

0.467 + 0.316 + 2pq = 1\\2pq = 1 -( 0.467+ 0.1)\\2pq = 0.433

So, out of 100 people 0.433 * 100 = 43.3 or 43 people are heterozygous (Aa)

7 0
4 years ago
Available resources such as food and mates, predation, parasitism and
Reika [66]

Answer: Density-dependent limiting factors

5 0
3 years ago
Read 2 more answers
You have mated a phenotypically wild-type female of the genotype Xy+w+Xyw to a male with the genotype XywY. You counted 2205 tot
Vinil7 [7]

Answer:

1.31 cM

Explanation:

Total offspring = 2205

Since two genes are involved, F1 progeny should have four types of combination. Out of them two are 17 and 12 which definitely means they are in lesser number. Since recombinants are always less than parental progeny in linkage, the given two types are recombinants.

Recombination frequency = (Number of recombinants / Total progeny) * 100

= [ ( 17 + 12 ) / 2205 ] * 100

= ( 29 / 2205 ) * 100

= 1.31 %

Map distance = Recombination frequency

Hence, distance between two genes = 1.31 cM

6 0
3 years ago
Why does the twilight zone of the ocean have the greatest variation in temperature?
daser333 [38]

This is because twilight or mesopelagic zone (extending from 200 meters to 1,000 meters) is the zone that contains the thermocline.

A thermocline or the thermal layer is a layer in an ocean or lake where the temperature changes more rapidly with depth than in the other layers. The thermocline in twilight zone divides the upper mixed layer from the calm deep water below.

6 0
3 years ago
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