Friday, March 11, 2011

mutations in chromosomes

Chromosome Mutations. Inversion (B) Deletion (A) Duplication (D)

Chromosome Mutations. Inversion (B) Deletion (A) Duplication (D)

Mutation of Chromosomes

Mutation of Chromosomes

Chromosomal mutations. Images from Purves et al., Life: The Science of

Chromosomal mutations. Images from Purves et al., Life: The Science of

All of our chromosomes

All of our chromosomes

 including gene mutations, larger chromosomal mutations and genome

including gene mutations, larger chromosomal mutations and genome

Chromosomal aberrations Edit Chromosomal aberrations section

Chromosomal aberrations Edit Chromosomal aberrations section

Chromosomes come in pairs with half of each inherited from each parent.

Chromosomes come in pairs with half of each inherited from each parent.

Main article: Chromosome abnormalities

Main article: Chromosome abnormalities

 Mutation of Chromosomes - from the Access Excellence site

Mutation of Chromosomes - from the Access Excellence site

[edit] Classification of mutation types

[edit] Classification of mutation types

 approach to isolate mutations. This approach uses a balancer chromosome

approach to isolate mutations. This approach uses a balancer chromosome

How do chromosomal mutations take place ? The deficiencies are easiest to

How do chromosomal mutations take place ? The deficiencies are easiest to

Changes in genes or chromosomes are called mutations .

Changes in genes or chromosomes are called mutations .

MUTATION These mutations affect large portions of the chromosomes and are

MUTATION These mutations affect large portions of the chromosomes and are

 ways: point mutation, gene amplification or chromosomal rearrangements.

ways: point mutation, gene amplification or chromosomal rearrangements.

Types of structural chromosome changes

Types of structural chromosome changes

macro-mutations or chromosomal mutation or aberration

macro-mutations or chromosomal mutation or aberration

So radiation can provoke both major types of mutations, point mutations and

So radiation can provoke both major types of mutations, point mutations and

 colour blindness is typically caused by a mutation on the X-chromosome,

colour blindness is typically caused by a mutation on the X-chromosome,

 caused by mutations in a person's genes.

caused by mutations in a person's genes.

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