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sesenic [268]
3 years ago
13

List and describe the 3 roles of DNA

Biology
1 answer:
Allushta [10]3 years ago
8 0
Three roles of the DNA molecule in heritage are in storage, copying and transmitting genes.

A-DNA: It is a right-handed double helix similar to the B-DNA form. ...
B-DNA: This is the most common DNA conformation and is a right-handed helix. ...
Z-DNA: Z-DNA is a left-handed DNA where the double helix winds to the left in a zig-zag pattern.

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Nondisjunction during meiosis results in an abnormal number of chromosomes in one or more gametes. In some cases of nondisjuncti
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Answer:

haploid (n) or triploid (3n)

Explanation:

If none of the chromosomes separate during meiosis, the resulting gametes will either lack chromosome or have diploid number (2n) of chromosome instead of a haploid number.

If an egg without chromosome (o) fertilizes a normal sperm (n), the resulting zygote will have haploid number (n) of chromosome.

If an egg with diploid number of chromosome (2n) fertilizes a normal sperm (n), the resulting zygote will be a triploid with 3n number of chromosome.

8 0
3 years ago
According to the envelope in Model 1, who is supposed to receive the letter?
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Jane doe because that is who the envelope is a dressed to
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3 years ago
How does this map represent the significant deaths among the Native American population after the Europeans arrived in North
Alecsey [184]

Answer:

NUMEROUS DISEASES SPREAD

Explanation:

When Columbus stumbled upon the Americas, he and his crew were carrying numerous diseases, including smallpox, which killed 50% - 90% of the Native people's population.

4 0
2 years ago
In an asexually reproducing organism it is expected that the offspring will be genetically identical to the parent. However, in
JulsSmile [24]

Answer:

Mutation

Explanation:

I believe it is a mutation. A mutation is when the DNA is copied with a small mistake. Ex: AGCC => AGGC

Then, after a mutation, the DNA isn’t exactly identical because of this mistake in the DNA after copied.

I hope this helped! Happy Thanksgiving! GOBBLE GOBBLE!

3 0
3 years ago
What is global climate change?.
kondor19780726 [428]
C. The increase in average global temperatures caused by greenhouse gases
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3 years ago
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