Mendelian Genetics, CPOI + Pedigrees 2023

Which of the following is an example of Genotype?

• Tt

• Tall

Tags

NGSS.HS-LS3-1

Which of the following Genotypes would be considered heterozygous

• BB

• gg

• Ff

• TT

Which of the following is a Phenotype?

• Bb

• Brown Eyes

Dominant or recessive?
tt

• Dominant 
• Recessive

Tags

NGSS.HS-LS3-1

_____________________ is the appearance of an organism, or how it looks

• phenotype
• ratio
• recessive trait
• heredity

TT,tt,PP,pp,SS,ss are examples of alleles that are?

• homozygous
• heterozygous
• different
• homologous 

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 

Colorblindness is a recessive, X chromosome sex-link disorder. Cross the parents to figure out which percentage of their offspring will be colorblind.

• 25%
• 0%
• 75%
• 50%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The genotypic ratio here is

• 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-LS3-3

A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be:

• all black
• all white
• all gray
• speckled black and white

Tags

NGSS.HS-LS3-1