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Gala2k [10]
2 years ago
5

What questions do you have about skin and skin color?

Biology
1 answer:
kirza4 [7]2 years ago
5 0

Answer:

nothing I have☺️☺️☺️☺️☺️☺️☺️☺️☺️

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Eye color is also determined by genes. Brown eyes are dominant, and blue eyes are recessive. What must be true for two brown-eye
Troyanec [42]

Answer:

The brown-eyed parents must be HETEROZYGOUS to produce a blue-eyed child

Explanation:

This question involves a single gene coding for eye color in humans. The allele for brown eyes (B) are dominant over the allele for blue eyes (b). This means that an individual that is heterozygous (Bb) will phenotypically have a brown eyes.

According to this question, a blue-eyed child (bb) will be produced when two brown-eyed parents are HETEROZYGOUS (Bb) for the eye color trait. This means that each of the parent donated the recessive allele (b) to produce the (bb) offspring. Please find the punnet square attached.

8 0
3 years ago
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Why do you think that root hairs are produced only on the parts of the root system that have stopped growing?
Triss [41]

Answer:

question no 1 answer

A root hair,or absorbent hair, the rhizoid of a vascular plant, is a tubular outgrowth of a trichoblast, a hair-forming cell on the epidermis of a plant root. As they are lateral extensions of a single cell and only rarely branched, they are visible to the naked eye and light microscope. They are found only in the region of maturation of the root. Just prior to and during root hair cell development, there is elevated phosphorylase activity. Plants absorb water from the soil by osmosis. Root hair cells are adapted for this by having a large surface area to speed up osmosis. Another adaptation that they have is a large permanent vacuole.

question no 2 answer

Answer: Stems hold the plant upright and support it. They also transport water, minerals and sugars to the leaves and roots.

hope it helps

because i have taken it on by book

5 0
3 years ago
Which of the following is the MEDIUM for a flag blowing in the wind?
kherson [118]
A:air
because the flag would on blow if it had some kind of wind
6 0
3 years ago
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Please help me with this question about chromosomes
kykrilka [37]

Answer:

The third one!

6 0
3 years ago
By which process do plants obtain carbon from the atmosphere
kari74 [83]
Photosynthies or however you spell that
3 0
3 years ago
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