______ 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