WorksheetsGenetics
Total questions: 10
Worksheet time: 5mins
Suppose a white-furred rabbit breeds with a black-furred rabbit and all of their offspring have a phenotype of gray fur. What does the gene for fur color in rabbits appear to be an example of?
Codominance
Incomplete dominance
Complete dominance
Blending dominance
In the ABO blood group system in humans, if a person of type-B blood has children with a person of type-AB blood, what blood types could their children have?
Type-AB, type-A, and type-B
Type-B, and type-AB
Type A and type B
Type B, type-AB, and type-O
In a cross of AaBb x AaBb, what fraction of the offspring can be expected to express one of the two dominant alleles, but not both?
1/2
3/8
3/16
9/16
If two genes experience independent assortment, which assumption is most likely true?
The genes are located on different chromosomes or are far apart on the same chromosome.
The expression of one gene does not affect the expression of the other.
The genes will not cross over.
They genes are very close to one another on the chromosome.
How many pairs of chromosomes are in a human being?
22
23
44
92
Mitotic cell division results in two cells that have?
1n chromosomes and are genetically identical.
2n chromosomes and are genetically different.
1n chromosomes and are genetically different.
2n chromosomes and are genetically identical.
In the ABO blood group system in humans, if a person of type-B blood has children with a person of type-AB blood, what blood types could their children have?
Type-AB, type-A, and type-B
Type-B, and type-AB
Type A and type B
Type B, type-AB, and type-O
The step of mitosis in which chromosomes line up along the equatorial plane of the cell is called?
Prophase
Metaphase
Telophase
Anaphase
Which of the following gives information about the phenotype but not the genotype?
Hemophiliac Man
TTpp
Tall pea plant
Female carrier for colour-blindness.
A strand of DNA with the sequence A A C T T G will have a complimentary strand with the following sequence?
TTGAAC
AACTTG
CCAGGT
TTCAAG
