Genetics

What is it called when the alleles in a genotype are different?

• Dominance

• Heterozygous

• Homozygous

• Recessiveness

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which pair of alleles is an example of homozygous recessive?

• bb

• BB

• Bb

An organism’s genetic makeup; the pair of alleles for a trait is called a(n)

• dominant trait

• genotype

• phenotype

• recessive trait

Tags

NGSS.HS-LS3-1

A version of a gene is called a(n)

• allele

• characteristic

• specific gene

• trait

Tags

NGSS.HS-LS3-1

Which pair of alleles is an example of heterozygous alleles?

• ll

• LL

• Ll

Tags

NGSS.HS-LS3-2

How many chromosomes do humans have?

• 23

• 46

• 13

• 47

Tags

NGSS.HS-LS3-1

Where is a DNA located?

• In the bones

• In the cystoplasm

• In the nucleus of a cell

• All of the above

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

NGSS.MS-LS1-3

What is an example of a PHENOTYPE?

• Aa

• AA

• Purple Flower

• aa

A capital P represents a dominant allele for purple flower. A lowercase p represents the recessive allele for white flower. Which is the only way to get a white flower color?

• Pp

• PP

• pP

• pp

Tags

NGSS.HS-LS3-1

Alleles that are Rr are homozygous?

• True

• False