Genetics review 2021

An organism’s physical appearance is its

• dominance

• genotype

• phenotype

• allele

Factors that control traits are called

• genetic disorders

• genes

• chromosomes

• RNA

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Mutations can be...

• Harmful

• Beneficial

• Neutral

• All of the Above

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

------is the combination of two alleles that are different from one another.

• homozygous
• heterzygous
• phenotype
• trait

The letters that make-up the genetic code for a trait

• genotype
• heterzygous
• phenotype
• trait

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

---- Is the combination of two alleles that are the same

• genotype
• homozygous
• phenotype
• trait

----is the type of gene that always shows itself when present

• genotype
• homozygous
• phenotype
• dominant

Black fur (B) is dominant. Find the probability of a black offspring in a cross: bb x bb. 

• 0%
• 25%
• 50%
• 100%

Tags

NGSS.HS-LS4-3

Look at the Punnett Square. What's the probability of having the recessive offspring?

• 100%
• 75%
• 50%
• 25%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS4-3

What are the parents' genotypes?

• Homozygous for brown eyes
• Heterozygous for brown eyes
• Homozygous for blue eyes
• Heterozygous for blue eyes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2