Phenotypes and Genotypes

The physical appearance of an organism based on traits

• Genotype
• Phenotype
• Meiosis
• Genetics

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The allele combinations

• genetics
• mitosis
• genotype
• phenotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This trait will always be expressed if present because it will mask the expression of others

• stem cells
• heterozygous
• dominant
• recessive

Tags

NGSS.HS-LS3-1

Hair colour is an example of

• genotype
• phenotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Each parent provides what percentage of your traits?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A segment of DNA that codes for a trait

• gene

• allele

• chromosome

• chromatid

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

an observable characteristic

• trait

• gene

• allele

• DNA

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A different form or variation of a gene

• trait

• gene

• allele

• DNA

In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?

• Tall = T
  Short = S
• Tall = T
  Short = t
• Tall = t
  Short = T
• Tall = TT
  Short = tt

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Sex cells (sperm or egg cells) in goats each contain 30 chromosomes. How many chromosomes does the fertilized egg cell of a goat contain? (A fertilized egg cell is an egg cell that has combined with a sperm cell.)

• 15

• 30

• 60

• 90