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ki77a [65]
3 years ago
11

Why do I have an extra 35 chromosmes

Biology
1 answer:
ollegr [7]3 years ago
7 0

Any occurence of extra chromosones is due to genetic mutation/disorders.

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Hannah’s job involves researching the complex interactions that occur between living organisms and Earth’s nonliving systems. Wh
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Answer:  I know the answer is environmental science because I just took the test.

Explanation:

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3 years ago
Mutations leading to changes that can be inherited by the next generation have to be introduced at the _______ level.
Elis [28]

Answer:

same

Explanation:

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2 years ago
To remember abdominal muscles, explain what TIRE stand for the phrase “spare TIRE”.
Serjik [45]

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Spare tire in abdominal area is large amount of fat deposits usually derived by poor diet and lack of exercise

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In sexual reproduction, two different strains of hyphae called _____ and _____ strains fuse nuclei and produce a zygote.
OLEGan [10]
<span>It is usually the + strand and the - strand. It can be quite a bit more complicated.</span>
8 0
2 years ago
4. A polypeptide has the following amino acid sequence: Met-Ser-Pro-Arg-Leu-Glu-Gly In the mutant below, indicate the type of mu
MatroZZZ [7]

Answer:

4. c. Deletion/ frameshift mutation

5. a. Tyr Tyr Asp Ser Gly

6. A frameshift occurred which altered the identity of the amino acids following the initiator 6. methionine, but not the length of protein Q.

Explanation:

4)

A single base pair at the first position of the Arg codon i.e. CGA has been deleted. Due to the deletion, the reading frame has shifted one nucleotide backwards, altering the amino acid sequence of the protein.

5)

The genomic DNA sequence is 5'-ATG ATA CTA AGG CCC-3'. Therefore, the complementary mRNA will be 5'-UAC UAU GAU UCC GGG-3'. According to the genetic code, this mRNA sequence encodes the following amino acid sequence: Tyr Tyr Asp Ser Gly

6)

The wild type DNA sequence is:

5'-ACUGUAAUGGAGUCAGAUGAUGCAUUAAGGAGAAAUUGAAAUAAA-3'

The mutant i.e. mRNA with the added G will be

5' ACUGUAAUGGGAGUCAGAUGAUGCAUUAAGGAGAAAUUGAAAUAAA-3'  

This is a single base pair insertion and frameshift mutation that shifts the reading frame one base pair forwards. The codon that was originally GAG coding for glutamic acid (Glu) gets converted to GGA that codes for glycine. Therefore, the amino acid sequence has been altered but the polypeptide chain will still have 13 amino acids.

6 0
3 years ago
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