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. The original DNA sequence below has undergone 16 substitution mutations. In the spaces below, write the letters of the original bases that have been replaced. Write the letters in the order in which they occur from left to right. Your work will reveal the answer to the question below.

original sequence: ACTTTATTCACACTGTCACCTCTATATGCGAAGTG
sequence with mutations: ACCTTCGTGTCACGGTGTCCCGTTAATGTGCGGAG
What did Ian's mother say when she saw the rat running past Whiskers?

_ H _ _ _ _ _ _ _ N _ _ _ _ _ H _ R _ _

Respuesta :

Answer:

A change in one base of the gene sequence is known as point mutation.

Explanation:

Question 2 is incomplete.

3. A mutation that only affects a single nucleotide of nucleic acid is known as Point Mutation.

In Point mutations there is substitution of one base for another.

Example:                TAT TGG CTA            

                              TAC TGG CTA

The  TAT changes to TAC which shows point mutation.

4. Yes. The point mutation have an effect on the outcome compared to the normal sequence.

When there is a change in one base of the gene it results into causing disease such as cancer, sickle cell anemia.

Explanation:

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