Genetics Review

Which process is necessary for the inherited traits of an organism to be passed along by sexual reproduction?

• mitosis
• meiosis
• mutation
• fission

Which statement correctly describes meiosis?

• cells divide only once
• meiosis does not occur in reproductive cells
• the cells produced at the end of meiosis are genetically identical to the parent cell
• The cells produced at the end of meiosis contain half the number of chromosomes as the parent cell

Tags

NGSS.MS-LS3-2

Sexual reproduction involve the _______________. (Select all that apply.)

• one parent

• two parents

• fusion of male gamete and female gamete

• have same characteristic with parents

• have different characteristic with parents

Genotype or Phenotype: Freckles

• Genotype

• Phenotype

Tags

NGSS.HS-LS3-1

Homozygous or Heterozygous: ff

• Homozygous

• Heterozygous

Tags

NGSS.HS-LS3-1

A mom with the heterozygous gene for Widows peak and a father with the heterozygous gene for Widows peak: odds their baby HAS a widow's peak?

• 0%

• 25%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Y for yellow body is dominant over y for blue body.  What alleles would produce yellow bodies?

• YY,yy
• Yy,yy
• YY only
• YY,Yy

When do genetic mutations get passed from parent to offspring?

• When the Gametes (sex cells) are mutated

• When the mutation changes the order of DNA

• When the mutation occurs randomly

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Mutations are...

• Changes in the sequence of DNA

• Broken chromosomes

• Bad genes

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

Body Cell mutations can contribute to...

• Cancer

• Parkinson's Disease

• Bronchitis

• Heart Failure

Tags

NGSS.HS-LS3-2