SC 7 L 16 2

A segment of DNA that codes for a protein is called a...

• Enzyme

• Mutation

• Gene

• Complimentary

Tags

NGSS.HS-LS1-1

The nucleus contains the cells genetic material in the form of DNA. DNA is organized into our chromosomes, which are made up of thousands of ________ that determine our traits

• RNA

• cells

• gametes

• genes

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Information about traits is stored in the cell nucleus in a molecule called ______

• DNA

• ATP

• cytoplasm

• the nucleus

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

A scientist studying pea plants determines that the allele for yellow seed color (Y) is dominant to the allele for green seed color (y). To study this further, the scientist decided to cross two heterozygous pea plant that produce yellow seeds. Using a Punnett Square, what is the percent probability of these two pea plants producing offspring that make green seeds?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Mrs. Hendrix's science class is growing pea plants to learn about heredity and genetics. The class has decided to breed pea plants with purple and white flowers. If purple flowers (P) are dominant over white flowers (p), what is the percent probability that the offspring of two heterozygous purple flowering pea plants would have purple flowers?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-3

Unattached earlobes are controlled by a dominant allele (A), while attached earlobes are controlled by a recessive allele (a). If a homozygous dominant individual for unattached earlobes mates with a heterozygous dominant individual for unattached earlobes, which statement is correct about their possible offspring?

• Their offspring have a 0% chance of having unattached earlobes.

• Their offspring have a 25% chance of having attached earlobes.

• Their offspring have a 75% chance of having attached earlobes.

• Their offspring have a 100% chance of having unattached earlobes.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

A scientist studying pea plants determines that the allele for yellow seed color (Y) is dominant to the allele for green seed color (y). To study this further, the scientist decided to cross two heterozygous pea plant that produce yellow seeds. Using a Punnett Square, what is the percent probability of these two pea plants producing offspring that make yellow seeds?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Cara has two pea plants. One has green flowers, and one has yellow flowers. She decides to breed the pea plants to learn about genetics. Cara knows that the flower color of pea plants is determined by a pattern of simple dominance. The diagram above shows the color of individuals produced over three generations when Cara started breeding the pea plants. Assuming that both parents were homozygous, which of the following best explains why the "f1" generation only had yellow flowers?

• All members of the "f1" generation were homozygous recessive.

• Yellow flowers are dominant over green flowers.

• Both parents passed on yellow genes.

• There was a genetic mutation.

Tags

NGSS.HS-LS3-1

Polydactyly is an inherited condition common in cats. It causes cats to grow extra digits, or toes, on their paws. It is dominant over the characteristic to grow the normal number of digits. If a male cat that is heterozygous for polydactyly (Pp) mates with a female that is homozygous for polydactyly (PP), what are the possible genotypes of their first generation of offspring?

• PP and pp only

• Pp and PP only

• PP, Pp, and pp

• Pp only

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The pedigree above shows the phenotypes for hair color of individuals in a family over four generations. In this pedigree, light hair color is a recessive allele, and dark hair color is a dominant allele. What is the probability that offspring Y will have the light hair phenotype?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3