______ is found in the nucleus of all eukaryotic cells.

A. Cytoplasm
B. Endoplasmic reticulum
C. ATP
D. DNA

Monosomy is a condition that occurs when an individual has ____ of a particular chromosome.

A. Three
B. Only one
C. Two
D. None of the above

What type of autosomal disease is phenylketonuria?

A. Dominant
B. Sex-linked
C. Recessive
D. None of the above

In DNA, adenine is always paired with which base?

A. Cytosine
B. Guanine
C. Thymine
D. Uracil

What kind of sugar is part of DNA?

A. Ribose
B. Deoxyribose
C. Sucrose
D. Glucose

An insertion is when a large part of _____ is put into a gene.

A. ATP
B. RNA
C. DNA
D. None of the above

Mutations can explain _______ in inheritance patterns.

A. Segregation
B. Identical traits
C. Independent assortment
D. Sudden changes

Which of the following is an autosomal dominant disease?

A. Achondroplastic dwarfism
B. Polydactly
C. Huntington's Disease
D. All of the above

Which of the following is an example of incomplete dominance?

lack and white pigeons who mate have gray offspring
male patterned baldness
ABO blood types
none of the above

DNA polymerase breaks bonds between

A. Sugars.
B. Nitrogen bases.
C. Phosphate groups.
D. All of the above

In the asexual method of reproduction, all organisms in a colony are genetically unequal.

A. TRUE
B. FALSE

______ can be treated by injecting genetically engineered insulin.

A. Anemia
B. E. coli infections
C. Nausea
D. Diabetes

Which of the following is a possible genotype for a person with AB blood?

A. IBIo
B. IAIo
C. IAIB
D. none of the above

How many sex chromosome pairs does a human have?

A. 22
B. 44
C. 1
D. 2

What would be a reason Mendel shouldn't have used the garden pea plant as his experimental organism?

A. They could be self-pollinated.
B. He could control pollination.
C. They are self-compatible.
D. none of the above