Genetics

The branch of science that studies heredity is ____.

• Geology

• Physics

• Genetics

• Physics

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An organism's genetic makeup or allele combinations is its ____.

• phenotype

• codominance

• genes

• genotype

An organism's physical appearance or visible traits is its ____.

• genotype

• phenotype

• genes

• codominance

An allele whose trait is masked in the presence of a dominant allele is _____.

• dominant

• recessive

• purebred

• trait

A specific gene can have different forms. What are the different forms of a gene called?

• mutations

• dominant genes

• recessive genes

• alleles

If black is dominant to white, what is the phenotype of a heterozygous mouse?

• Black

• Gray

• BB

• Bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Traits that are passed on from parent to offspring are referred to as :

• chromatids

• homologous traits

• inherited traits

• chromosomes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What does a Punnett square illustrate?

• only hybrid outcomes

• genetic simulations for many traits

• how the genes of parents might combine

• mutations that result from breeding

Tags

NGSS.HS-LS3-2

Gregor Mendel hypothesized from his experiments that each trait is made up of how many factors?

• one

• two

• three

• four

Where do the factors for a trait come from?

• unrelated organisms

• siblings

• mother and father

• offspring

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2