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kap26 [50]
4 years ago
5

It is possible for two parents each with brown eyes to produce a blue-eyed child.

Biology
1 answer:
elena55 [62]4 years ago
4 0

Answer:

True

Explanation:

The color of the baby's eyes is influenced by the genetic inheritance (of the genes transmitted by the mother and father) and the amount of melanin (brown or black pigment whose type and amount is encoded in the genes) found in the iris.

Eye color is controlled by at least three genes, although researchers still only understand the role of two of them. Determining eye color is an extremely complex process and there are several conditioning factors and genetic combinations that can influence the final color.

The more melanin, the darker the color of eyes, skin and hair. If parents have both brown eyes, it is natural for their children to have the same color. However, there may be a genetic influence from an ancestor and the child expressing a different color.

If the presence of melanin in the iris is reduced, the baby will have blue eyes, even if father and mother have brown eyes. If the presence of melanin is higher, the eye color will be green or hazel. When there is a large production of melanin, the eyes are brown, predominant color over green or blue and therefore more common. The least common color is green.

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3 years ago
Examine this image and choose the most accurate statement base on relative dating.
Vlada [557]

Hello!

One of the most basic examples of relative dating, specifically in this case, would be the law of superposition. This simply states that out of many layers of rock, the oldest would be at the bottom and the youngest on top, so therefore the age of the fossils inside the rock would also increase when going down the layers. Therefore, we see that layer a is the oldest, and layer g is the youngest.

This disproves the first answer choice - the fossils in layer g are the youngest, not the oldest. Now, when comparing Layer F and D, we see that the rock layer F is above layer D. This means that layer F is younger than layer D (and same for the fossils in those respective layers). The third choice is incorrect as layer A would be older than F as it is beneath layer F.

Therefore, this means your second choice, or the fossils in layer F are newer than the fossils in layer D, is correct.

Hope this helps!

3 0
4 years ago
A nucleotide-sugar coenzyme involved in carbohydrate metabolism (UDP-glucose) is formed when UTP reacts with a glucose molecule.
Taya2010 [7]

Answer:

b. UDP

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kirill115 [55]
Skeleton bone and interior crinal bone
6 0
3 years ago
Chemical signals in plants affecting the growth, activity and development of cells and tissues are
LiRa [457]

Answer:

You need to know how the structures of plant tissues and organs are directly related to their roles in physiological processes.

   Plant organs are limited to roots, stems, leaves, flowers, fruit and cones.

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Explanation:

3 0
4 years ago
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