1/21 mendelian genetics makeup

In dogs, wire hair (S) is dominant to smooth (s). A homozygous wire hair dog is crossed with a smooth hair dog. (Do the Punnett Square)

• Phenotype will be all smooth haired

• Phenotype will be all wire haired

• Phenotype will be 50-50

• Phenotype will be 75% wired and 25% smooth

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the percentage of homozygous recessive offspring?

• 0%
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Green peas are dominant (G) to yellow peas (g). What is the genotype for a hetereozygous dominant offspring?

• Gg
• gg
• GG

Tags

NGSS.HS-LS3-1

Which of the following is a heterozygous dominant genotype? 

• GG
• gg
• GGG
• Gg

Tags

NGSS.HS-LS3-1

In Mendel's pea plants, the homozygous recessive phenotype was white flowers.  If Mendel crossed two homozygous recessive pea plants, what color flowers would be seen in the offspring?

• white and purple
• white 
• purple
• lavendar

Tags

NGSS.HS-LS3-1

What percentage of the offspring will be purebred dominant?

• 0%
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Dominant alleles are represented by a(n)

• phenotype
• lower case letter
• upper case letter
• punnett square 

What type of traits "show up" in a population more often?

• dominant
• recessive
• punnett squares
• alleles

Tags

NGSS.HS-LS3-3

NGSS.HS-LS4-3

NGSS.HS-LS4-4

True or False:
A heterozygous dominant trait can be written as BB.

• True
• False

Round (R) seeds are dominant to wrinkled (r) seeds.
What is the genotype for a homozygous dominant offspring?

• RR
• Rr
• rr

Tags

NGSS.HS-LS3-1