Inheritance and Genes

A red flowered plant (RR) is crossed with a white flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have red (RR) flowers?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What does this Punnett square and the probabilities of the offspring represent?

• incomplete dominance

• codominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A segment of DNA that codes for a trait is referred to as...?

• gene

• nucleotide

• allele

• chromosome

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

The passing of traits from parents to offspring is known as....

• Inheritance

• Genetics

• Heredity

• Transmission

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Where inside the cell does the DNA reside?

• nucleus

• endoplasmic reticulum

• mitochondria

• cytoplasm

Tags

NGSS.MS-LS3-1

Typically, humans have how many pairs of chromosomes?

• 24

• 23

• 36

• 46

Differences in traits are called _________ and explain why siblings don't look exactly alike.

• genetic diversity

• trait variation

• phenotypic variance

• genetic variation

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What do they call traits that show up more often?

• unique traits

• dominant traits

• recessive traits

• common traits

Tags

NGSS.HS-LS4-4

What name is given to different forms of the same gene?

• Phenotypes

• Genotypes

• Gametes

• Alleles

Tags

NGSS.HS-LS3-2

If a person inherits a dominant allele for brown hair from one parent and a recessive allele for blonde hair from their other parent, which hair color will they show?

• Need more information

• Brown hair only

• Blonde hair only

• Brown and blonde hair

Tags

NGSS.HS-LS3-1