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snow_lady [41]
3 years ago
5

What is an allele? a dna sequence different versions of a gene a hairstyle a physical trait?

Biology
1 answer:
Taya2010 [7]3 years ago
4 0
I believe the answer is different versions of a gene :)
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These are nucleotides that have a single ring structure. Example: Cytosine, Thymine, and Uracil
IgorLugansk [536]

Answer:

The question is incomplete.

However, I notice that your question is mainly dealing with

"Nucleotides with a single ring structure"

I tackled that part, also providing explanation to the point you focused on.

Explanation:

Nucleotides are compounds in which nitrogenous bases (purines and pyrimidines) are conjugated to the pentose sugars (ribose or deoxyribose) and at least one phosphate group. Thus a nucleotide consists of a nitrogenous base, pentose sugar and at least one phosphate group.

Examples of the nitrogenous bases are Adenine, Guanine, Thymine, Uracil and Cytosine. Of all, Thymine, Uracil and Cytosine are with single ring, while Adenine and Guanine are double ring structure.

8 0
3 years ago
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Which situation occurs when the frequency of the wave increases?
Leya [2.2K]
<span>C. A greater number of wavelengths pass a given point per second.
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3 years ago
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Identify the genotype for this pedigree chart
AVprozaik [17]

Lets say that the genotypes are:

Male affected:XbY

Male unaffected: XaY

Female  affected: XbXb

Female carrier: XaXb

Female unaffected:XaXa

P: XbY  x  XaXa

F1: XaXb  XaXb  XaY  XaY The middle square is female carrier.

P:XbY  x  XaXb

F1: XaXb  XbXb  XaY  XbY The left square is affected female.

P:XaY  x  XbXb

F1: XaXb  XaXb  XbY  XbY The right square is affected male.


6 0
3 years ago
According to the nebular theory, a solar system begins when an interstellar cloud, containing approximately 75% hydrogen, 25% he
azamat

"Gravitational attraction" is initially responsible for the formation of the clumps of matter within this interstellar cloud.

<u>Answer:</u> Option C

<u>Explanation:</u>

About 4.6 billion years ago, the solar systems were a bunch of gases and dusts, referred to solar nebula. Gravity squeezed the material as it started to rotate, creating the sun at the middle of the fog.

The rest of the material began to accumulate with the sunrise. The smaller particles moved together to form larger particles that were connected by gravity. As lumps develop, gravity increases and turns into kinetic energy of moving particles that collide and produce heat.

4 0
3 years ago
(b)
zhannawk [14.2K]
The answer is bb (the only possible option because all the others suggest the woman’s eyes are brown)
4 0
3 years ago
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