Quiz about Mutations & Pedigrees

Question 1

Which of the following is NOT a cause of mutations?

Accepted Answer

Bacteria

Answer

Mistakes made during meiosis

Answer

Mistakes made during protein synthesis

Answer

Viruses

Question 2

Which type of mutations happen during DNA replication?

Accepted Answer

Gene Mutations

Answer

Nondisjunction

Answer

Translocation

Answer

Chromosome Mutations

Question 3

An insertion or deletion of a nucleotide is an example of a...

Accepted Answer

Frameshift Mutation

Answer

Point Mutation

Answer

Chromosome Mutation

Answer

Nondisjunction

Question 4

AAG to CAG is an example of a...

Accepted Answer

Point Mutation

Answer

Frameshift Mutation

Answer

Nondisjunction

Answer

Duplication

Question 5

Which of the following is NOT a chromosome mutation?

Accepted Answer

Relocation

Answer

Nondisjunction

Answer

Duplication

Answer

Translocation

Question 6

In which type of mutation do chromosomes fail to separate correctly during anaphase?

Accepted Answer

Nondisjunction

Answer

Translocation

Answer

Gene Mutations

Answer

Duplication

Question 7

Which type of mutation changes the size of a chromosome?

Accepted Answer

Duplication

Answer

Insertion

Answer

Deletion

Answer

Substitution

Question 8

Down syndrome (Trisomy 21) is an example of...

Accepted Answer

Nondisjunction

Answer

Duplication

Answer

Translocation

Answer

Gene Mutation

Question 9

What would be the genotype of an affected individual with an autosomal recessive disorder?

Accepted Answer

aa

Answer

AA

Answer

Aa

Answer

XaY

Question 10

Which of the following genotypes could be a carrier?

Accepted Answer

Tt

Answer

TT

Answer

tt

Answer

XTY

Question 11

How is Huntington's Disease different than other autosomal dominant disorders?

Accepted Answer

It usually does not appear until adulthood

Answer

It is caused by two (2) dominant alleles

Answer

It can have carriers

Answer

It appears early in life

Question 12

Why are males more likely to have sex-linked disorders?

Accepted Answer

Males only have one (1) X chromosome

Answer

Males have one (1) Y chromosome

Answer

Males have two (2) X chromosomes

Answer

Males have dominant chromosomes

Question 13

In which sex chromosome disorder do males have extra X chromosome(s).

Accepted Answer

Klinefelter's Syndrome

Answer

Down Syndrome

Answer

Turner's Syndrome

Answer

Muscular Dystrophy

Question 14

What is a pedigree?

Accepted Answer

A chart used to trace a disease or trait

Answer

A genetic map of an individual's DNA

Answer

A sex-linked recessive disorder

Answer

An autosomal dominant disorder

Question 15

Which of the following statements about autosomal recessive disorders is TRUE?

Accepted Answer

They are the most common pattern of inheritance

Answer

Disease is common in the family

Answer

Males are more likely to inherit the disease

Answer

Disease will never skip a generation

Question 16

This is an example of which pattern of inheritance?

Accepted Answer

Autosomal Recessive

Answer

Autosomal Dominant

Answer

Sex-Linked

Answer

Autosomal Chromosomal

Question 17

Which statement about autosomal dominant disorders is FALSE?

Accepted Answer

Disease will often skip a generation

Answer

Disease will have many affected family members

Answer

Males and Females are equally likely to inherit the disease

Answer

A child cannot inherit the disease from two (2) healthy parents

Question 18

Which pattern of inheritance is shown?

Accepted Answer

Autosomal Dominant

Answer

Autosomal Recessive

Answer

Sex-Linked

Answer

Sex-Chromosome

Question 19

Which statement about Sex-Linked Recessive disorders is TRUE?

Accepted Answer

Affected fathers will NEVER pass the disease on to their sons

Answer

Disease is common in the family

Answer

Disease will never skip a generation

Answer

Females are more likely to inherit the disease than males

Question 20

Which pattern of inheritance is this?

Accepted Answer

Sex-Linked

Answer

Autosomal Dominant

Answer

Autosomal Recessive

Answer

Sex- Chromosome

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