Genetics Unit

What shape is DNA in?

• straight line

• funnel shaped

• wave lengths

• double helix

This organelle makes proteins using directions from DNA:

• ribosomes

• mitochondria

• cell membrane

• nucleus

Tags

NGSS.HS-LS1-1

Heredity is the passing of traits from _____________________ to _____________________

• predators to prey

• water to rain

• parents to offspring

• offspring to parents

Tags

NGSS.MS-LS3-2

Charlie’s nose looks just like his grandfather’s nose. This is an example of

• nurture.

• heredity.

• environment.

• learned behavior.

Which piece of genetic information looks like a long twisted/coiled ladder?

• Chromosome

• DNA

• ATP

• Nucleus

Tags

NGSS.HS-LS1-1

What is a gene?

• a small section of DNA

• a small section of a chromosome

• a small section of a base

The two-letter code that describes the genetic traits of an organism is called a-

• Phenotype

• Genotype

• Physical Appearance

• Intelligence

When the two alleles of a gene are different

• Heterozygous

• Homozygous

• Phenotype

• Genotype

The brown eye trait is dominant over blue eyes. Which of the following genotypes best represents the phenotype for blue eyes?

• BB

• Bb

• bb

• bB

Aa, DD, Ba, and yy are all examples of ---

• genotypes

• phenotypes