Unit 2: Genetics - Genetics

Which of the following would be a homozygous recessive individual?

• TT

• Tt

• tt

• t

The appearance of an organism, such as smooth versus wrinkled seeds, is referred to as a:

• allele

• genotype

• phenotype

• trait

An organism with two identical alleles for a given trait is:

• dominant

• homozygous

• heterozygous

• independently assorting

An offspring will receive how many alleles from each parent to determine a specific trait?

• one

• two

• three

• five

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is a phenotype?

• a. BB

• b. Bb

• c. bb

• d. blue eyes

Tags

NGSS.HS-LS3-3

The passing on of traits and behaviors from parents to their offspring is:

• a. DNA

• b. genes

• c. heredity

• d. offspring

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the term for an organism that displays two dominant phenotypes at the same time?

• a. codominance

• b. incomplete dominance

• c. linked genes

• d. multiple alleles

The passing on of traits and behaviors from parents to their offspring is

• offspring

• heredity

• DNA

• genes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Is weak, prefers to "hide"

• dominant genes

• trait

• recessive genes

• genes

Tags

NGSS.HS-LS3-1

Only takes 1 in a gene pair for a trait to show up

• recessive genes

• DNA

• offspring

• dominant genes