Mutations Flashcards
What are Chromosomal Mutations?
Mutations that produce changes in whole chromosomes
What are Gene Mutations?
Mutations that produce changes in a single gene
What are Point Mutations?
Gene mutations involving chambers in one or a few nucleotides
Mutations where nucleotides are added or deleted result in a?
because they shift the? of a genetic message
A frame shift mutation
Readingframe
What is a Polyploidy?
A condition in which an organism has extra sets of chromosomes
Most mutations are what?
Neutral, have little or no effect
A few mutations are?
Harmful, cause dramatic changes in protein structure or genetic activity
A few mutations are beneficial because?
They cause species to evolve so they’ll survive
Some mutations are caused by?
Sex-linked genes
What are disorders where’s there’s more or less than 46 chromosomes?
Down syndrome and Turner’s syndrome
