Unit 5 Grade 8

Which of the following is a heterozygous genotype?

• FF
• tt
• Gg
• RR

Which of the following is homozygous recessive?

• rr
• AA
• TT
• Ff

What does the prefix "hetero" as in heterozygous mean?

• same
• different
• dating
• human

Tags

NGSS.HS-LS3-2

The trait that is actually expressed is the-

• genotype
• phenotype
• characteristics
• intelligence

How many letters does a genotype contain?

• 1
• 2
• 3
• 4

The different forms of a gene are called 

• traits
• chromosomes
• alleles
• peas

A section on a chromosome that has genetic information for one trait is called a

• gene
• allele
• phenotype
• genotype

Tags

NGSS.HS-LS3-1

How much of your DNA do you inherit from your mom?

• 10%
• 25%
• 50%
• it varies

Tags

NGSS.HS-LS3-1

These types of alleles are only expressed if the organism has two copies

• dominant

• recessive

• homozygous

• heterozygous

Which of the following shows codominance?

• 
• 
• 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2