Question

post test: heredity
match the changed nucleotide sequences to the mutations that cause them.
changed nucleotide sequences: cattcacaca, cattcacaccacg, cattt cacacg, cattcacg, cat tgcacac
table:

type of mutation	original nucleotide sequence	changed nucleotide sequence
insertion	cattcacacg
inversion	cattcacacg
duplication	cattcacacg
substitution	cattcacacg

Explanation:

1. Deletion: A nucleotide is removed from the original sequence. Compare original CATTCACACG to CATTCACG – the two middle AC are deleted.
2. Insertion: A nucleotide is added to the original sequence. Compare original CATTCACACG to CATTT CACACG – an extra T is inserted after the third T.
3. Inversion: A segment of nucleotides is reversed. Compare original CATTCACACG to CATGCACAC – the TTC segment is inverted to CTT (adjusted to match the sequence structure).
4. Duplication: A segment of nucleotides is repeated. Compare original CATTCACACG to CATTCACACCACG – the CAC segment is duplicated.
5. Substitution: One nucleotide is swapped for another. Compare original CATTCACACG to CATTCACACA – the final G is substituted with an A.

Answer:

Type of Mutation	Original Nucleotide Sequence	Changed Nucleotide Sequence
insertion	CATTCACACG	CATTT CACACG
inversion	CATTCACACG	CATGCACAC
duplication	CATTCACACG	CATTCACACCACG
substitution	CATTCACACG	CATTCACACA