In mice black fur (B) is dominant to brown fur (b). A "Bb" mouse would be

• brown

• white

• black

• brown and black

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

These types of alleles are ONLY expressed if the organism has 2 copies

• dominant

• recessive

• homozygous

• heterozygous

These types of alleles are ONLY expressed if the organism has 2 copies

• dominant

• recessive

• homozygous

• heterozygous

This type of allele is expressed whether there are one or two copies present

• dominant

• recessive

• homozygous

• heterozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Hybrids are represented with

• 2 capital letters

• 2 lower case letters

• Roman numerals

• one capital and one lower case letter

A trait that is expressed if one copy of the allele is present is a(n)

• characteristic

• dominant trait

• gene

• recessive trait

Tags

NGSS.HS-LS3-1

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

• Dominance

• Heterozygous

• Homozygous

• Recessiveness

Tags

NGSS.HS-LS3-1

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

• Dominance

• Heterozygous

• Homozygous

• Recessiveness

Tags

NGSS.HS-LS3-2

Which pair of alleles is an example of homozygous recessive?

• bb

• BB

• Bb

Which pair of alleles is an example of homozygous dominant?

• tt

• TT

• Tt

Tags

7.11(A), 7.11(B), 7.11(C)