CHROMOSOMAL MUTATION

CHROMOSOMAL MUTATION

Chromosomal number alteration

Multiple Choice

What is non-disjunction?

• the failure of non homologous chromosomes to separate and move to opposite poles during meiosis

• the failure of homologous chromosomes to separate and move to the opposite poles during meiosis

Multiple Choice

Name a chemical that can induce polyploidy in plants

• Ethidium bromide

• Formaldehyde

• Benzene

• Colchicine

Multiple Choice

Mutation can occur due to error during

• translation

• transcription

• DNA replication

• post transcriptional modification

Multiple Choice

Which one of this is not one of the characteristics of trisomy 21?

• large tongue with furrowing

• stubby fingers

• mental retardation

• tall stature