Mendel and Heredity B3

___________________________ 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

_____________________ is the physical expression of a trait, or how it looks

• phenotype
• ratio
• recessive trait
• heredity

Tags

NGSS.HS-LS1-1

A couple has two children, both of whom are girls. What is the likelihood that their 3rd child will be a girl?

• 0%
• 25%
• 50%
• 100%

Tags

NGSS.HS-LS3-3

A single piece of coiled DNA found in the cells; contains genes that encode traits.

• gene
• chromosome
• trait
• DNA

This is a part of the chromosome that carries information and controls a trait

• trait
• gene 
• chromosome
• offspring

Tags

NGSS.HS-LS3-1

One gene from a pair is called an

• Trait
• Allele
• Genotype
• Phenotype

What would the phenotype be for the offsprings?  T is dominant for tall pea plants

• 50% tall, 50% short
• 25% tall, 75% short
• 100%  tall, 0% short
• 75% tall, 25% short

Tags

NGSS.HS-LS3-1

In mussels, the allele for brown coloring (B) is dominant, and the allele for blue coloring(b) is recessive. For which parental genotypes are 100% of the offspring expected to be blue?

• BbxBb
• bbxbb
• BBxbb
• BBxBB

Tags

NGSS.HS-LS3-1

In guinea pigs, the alleles for black hair(B) is dominant to the allele for brown hair(b). Two black-haired guinea pigs are crossed. One of the pigs is homozygous for black hair and one is heterozygous. What percentage of their offspring are expected to have black hair? Create a  punnett square.

• 25%
• 50%
• 75%
• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt
• Tt
• Bb
• TT

Tags

NGSS.HS-LS3-1