Genetics/Heredity Test Review

The passing of traits from parent to offspring 

• Heredity 
• Genetics 
• Hybrid 
• Probability 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Who was the father of genetics 

• Sagan 
• Issac Newton 
• Gregor Mendel 
• C.jenkins 

Which is heterozygous ?

• Tt

• TT

Which is homozygous ?

• Zz
• SS

A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?

• 100% BB
• 75% BB and 25%Bb
• 50 % BB and 50% Bb
• 50% Bb and 50% bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Having two different genes for a trait (sometimes called hybrid).

• protein

• homozygous

• heterozygous

• genotype

Having two of the same genes for the trait (sometimes called purebred).

• homozygous

• hetrozygous

• protein

• chromosome

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele

Two heterozygous (Tt) tall pea plants are crossed. Which describes their offspring?

• 50% tall and 50% short
• 75%tall and 25% short
• 100%short

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

A genetic disorder is an abnormal condition that a person inherits through genes or chromosomes?

• True
• False

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2