Genetics

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

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

Tags

NGSS.HS-LS3-3

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.

Tags

NGSS.HS-LS1-4

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

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The step of mitosis in which chromosomes line up along the equatorial plane of the cell is called?

• Prophase

• Metaphase

• Telophase

• Anaphase

Tags

NGSS.HS-LS1-4

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