Dominant and Recessive Genes

If this pedigree shows a recessive disorder, what MUST the genotype of individual 4 be?

• HH

• Hh

• hh

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

When the allele combination is a dominate and a recessive trait together which trait will be seen?

• Dominate

• Recessive

• none

• both

Tags

NGSS.HS-LS3-1

What is Bb?

• Homozygous

• Heterozygous

• Recessive

• mixed doubles

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What are the two genotypes that show the DOMINANT Phenotype

• GG, gg

• GG, Gg

• Gg, gg

What is the only Genotype that shows the RECESSIVE Phenotype?

• GG

• Gg

• gg

One trait that when it is present causes the other traits to disappear is a ________________________

• recessive trait

• aggressive trait

• absent trait

• dominant trait

A ________________________ is used to predict the possible genotype from certain parents

• Mendel Grid

• Genetic Tic Tac Toe

• Punnett Square

• Pedigree Plot

What are the possible combinations of a pea plant with the alleles PP and a male pea plant with the alleles pp. You will need to draw a Punnett Square to help you answer

P= purple

p= white

• all Pp

• all PP

• Pp,PP,Pp,PP

• all pp

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

• recessive

• dominant

• lower case letter

• both 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

G = green, g = yellow
The genotype for a yellow plant is...

• GG

• Gg

• gg

• all of the choices result in yellow

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2