1953095
Chromosomal Mutations
- Involves a change in # of chromosomes or in the
structure of chromosomes. Arises from problems in
meiosis.
- Deletion
- Loss of all parts of the
chromosome.
- Loss of all parts of the
chromosome.
- Duplication
- Part of chromatid breaks off
and attaches to the other.
- Part of chromatid breaks off
and attaches to the other.
- Inversion
- reverse the direction of the parts
of a chromosome; when a piece of
a chromosome breaks, it's flipped
backwards before it is reattached.
- reverse the direction of the parts
of a chromosome; when a piece of
a chromosome breaks, it's flipped
backwards before it is reattached.
- Translocation
- Part of one chromosome
breaks off and attaches to a
different chromosomes
- Part of one chromosome
breaks off and attaches to a
different chromosomes
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