Genetics Assessment

Which statement below BEST summarizes the role of DNA molecule in cells?

• guides cell division

• protects cells from infection

• provides instructions for making proteins

The gene is located at a specific site on a ______________strand.

• DNA

• RNA

• tRNA

Chromosomes which contain DNA have several functions. All BUT ONE of these statements is a function of chromosomes.

• It helps an organism produce usable energy.

• It determines the traits of an organism.

• It provides instructions for making proteins.

Your eye color, sex and hair color are all determined by the DNA in your genes. Where are these genes located?

• proteins

• centrioles

• chromosomes

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

• DNA

• RNA

• ATP

WHERE ARE CHROMOSOMES FOUND IN AN ANIMAL CELL?

• inside the nucleus

• inside the DNA

• inside the gene

Brown eyes in humans is a dominant trait. We inherit dominant traits from our parents in the form of

• RNA

• genes

• gametes

The color of your eyes is an example of an inherited trait. How are inherited traits passed from parents to their children?

• They develop over a long period of time.

• They are responsible for the way you look, act and feel.

• They are determined by the genes passed from parents to their children.

If B = brown hair and b = blonde hair, what is the probability of brown hair?

• 25%
• 50%
• 0%
• 75%

Tags

NGSS.HS-LS3-3

Genetic crosses involving a particular type of flower exhibit complete dominance with respect to petal color. Red (R) is dominant to white (r). Using the Punnett square, what is the expected percentage of offspring that will have white flowers from a cross of parent flowers with a genotype of Rr.

• 0%
• 25%
• 50%
• 100%

Tags

NGSS.HS-LS3-3