Genetics Mini Quiz

Shelly and Jason are siblings, but Shelly looks like their father while Jason looks like their mother. Which of the following statements best explains the difference in Shelly’s and Jason’s features?

• Shelly inherited a greater number of chromosomes from their father than Jason did.

• Shelly inherited a smaller number of X chromosomes from their mother than Jason did.

• Shelly and Jason inherited different combinations of 23 chromosomes from their mother and 23 chromosomes from their father.

• Shelly and Jason had different mutations occur in the 46 chromosomes they inherited from their mother and father.

Tags

NGSS.HS-LS3-1

In dragons, the allele B produces blue body color. The allele b produces green body color. The B allele is dominant to the b allele.

A dragon with genotype Bb is crossed with a dragon with genotype bb. What percent of the offspring are expected to have green body color?

• 0%

• 25%

• 50%

• 100%

In dragons, green striped belly (T) is dominant to purple striped belly (t). If two dragons heterozygous for green striped belly are crossed, what are the possible genotypes of the offspring?

• Tt only

• TT, tt only

• Tt, tt only

• TT, Tt, and tt

The gene for no polka dots (D) is dominant over the gene for polka dots (d). Two non-polka dot dragons have a polka dot dragon. Which genotypes make this possible?

• The mother and father are both homozygous non-polka dot (DD).

• The mother is homozygous non-polka dot (DD) and the father is heterozygous non- polka dot (Dd)

• The mother is heterozygous non-polka dot (Dd), and the father is homozygous non-polka dot (DD).

• The mother and the father are both heterozygous non-polka dot (Dd)

In dragons, the allele for purple wings (Q) is dominant to the allele for pink wings (q).

Based on the diagram, an offspring with pink wings is indicated in

• Box1

• Box4

• Boxes 2 and 3

• Boxes 1,2, and 3

A​ (a)   shows its specific trait when both parents pass the

gene to the child.

• recessive trait
• dominant trait
• inherited trait
• acquired trait

Tags

NGSS.MS-LS3-2

Match the following

• a specific characteristic

• Allele

• Change in organism. Promotes fitness.

• Frequency

• two or more versions of a gene

• Trait

• passed from parent to offspring

• Adaptation

• how many times it happens or appears

• Gene

Tags

NGSS.MS-LS4-4

This flower would be an example of which inheritance pattern?

• polygenic traits

• incomplete dominance

• multiple alleles

• codominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Genetic traits are passed from ________ to ________.

• parent; offspring
• chromosomes; traits
• DNA; genes
• offspring; parents

Tags

NGSS.MS-LS3-2

The passage of genetic instructions from one generation to the next is known as

• Alleles

• Ancestry

• Heredity

• Variation