NEW
Font size
WorksheetsMutations & Pedigrees
Total questions: 20
Worksheet time: 10mins
Which of the following is NOT a cause of mutations?
Mistakes made during meiosis
Mistakes made during protein synthesis
Viruses
Bacteria
Which type of mutations happen during DNA replication?
Gene Mutations
Nondisjunction
Translocation
Chromosome Mutations
An insertion or deletion of a nucleotide is an example of a...
Frameshift Mutation
Point Mutation
Chromosome Mutation
Nondisjunction
AAG to CAG is an example of a...
Point Mutation
Frameshift Mutation
Nondisjunction
Duplication
Which of the following is NOT a chromosome mutation?
Nondisjunction
Duplication
Translocation
Relocation
In which type of mutation do chromosomes fail to separate correctly during anaphase?
Nondisjunction
Translocation
Gene Mutations
Duplication
Which type of mutation changes the size of a chromosome?
Insertion
Deletion
Substitution
Duplication
Down syndrome (Trisomy 21) is an example of...
Nondisjunction
Duplication
Translocation
Gene Mutation
What would be the genotype of an affected individual with an autosomal recessive disorder?
AA
Aa
aa
XaY
Which of the following genotypes could be a carrier?
Tt
TT
tt
XTY
How is Huntington's Disease different than other autosomal dominant disorders?
It is caused by two (2) dominant alleles
It can have carriers
It appears early in life
It usually does not appear until adulthood
Why are males more likely to have sex-linked disorders?
Males have one (1) Y chromosome
Males have two (2) X chromosomes
Males have dominant chromosomes
Males only have one (1) X chromosome
In which sex chromosome disorder do males have extra X chromosome(s).
Down Syndrome
Turner's Syndrome
Muscular Dystrophy
Klinefelter's Syndrome
What is a pedigree?
A chart used to trace a disease or trait
A genetic map of an individual's DNA
A sex-linked recessive disorder
An autosomal dominant disorder
Which of the following statements about autosomal recessive disorders is TRUE?
They are the most common pattern of inheritance
Disease is common in the family
Males are more likely to inherit the disease
Disease will never skip a generation
This is an example of which pattern of inheritance?
Autosomal Dominant
Autosomal Recessive
Sex-Linked
Autosomal Chromosomal
Which statement about autosomal dominant disorders is FALSE?
Disease will have many affected family members
Disease will often skip a generation
Males and Females are equally likely to inherit the disease
A child cannot inherit the disease from two (2) healthy parents
Which pattern of inheritance is shown?
Autosomal Dominant
Autosomal Recessive
Sex-Linked
Sex-Chromosome
Which statement about Sex-Linked Recessive disorders is TRUE?
Disease is common in the family
Disease will never skip a generation
Affected fathers will NEVER pass the disease on to their sons
Females are more likely to inherit the disease than males
Which pattern of inheritance is this?
Autosomal Dominant
Autosomal Recessive
Sex-Linked
Sex- Chromosome
