Genetics Test- Punnett Squares

The genotypic percentage resulting from this this cross would be _____________________.

• 25% blue eye 75 % brown eye 
• BB = 25% Bb = 50% bb = 25%
• BB= 50 % bb = 50%
• All brown eye

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

The dominant trait as seen in this punnett square is

• yellow pea seeds
• green pea seeds
• there is no dominant seed
• Jolly green giant

Tags

NGSS.HS-LS3-1

What are the possible genotypes for this cross?

• TT = 25% Tt= 50% tt=25%
• all tall
• TT= 75% tt = 25%
• Tt = 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

___________________________ is the study of how traits are passed on, or inherited.

• dominant traits
• ratio
• phenotype
• genetics

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

• Mendel Grid
• Genetic Tic Tac Toe
• Punnett Square
• Pedigree Plot

Two brown eyed parents which are  both heterozygous(Bb) have a baby. What is the possibility of the baby being blue eyed?

• 0 %
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Red/green color blindness is a recessive sex-linked trait.  A woman who is a carrier (X^RX^r) for this allele marries a normal-vision male (X^RY).  What is the probability that they will have a child who is color blind?

• 25%
• 50%
• 75%
• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Red flower (R) color is dominant to white flower (r) color in rose plants. What is the  expected phenotypic results of a cross between two heterozygous (Rr) rose plants?

• 100% red
• 75% red, 25% white
• 50% red, 50% white
• 75% white, 25% red

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many alleles (letters) does a child get from EACH parent for each trait?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-LS3-1

What term describes what you see, or the physical appearance.

• Genotype
• Phenotype
• Homozygous
• Heterozygous

Tags

NGSS.HS-LS3-1