Genetics Test Review

A cell's chromosomes contain

• Genes
• Chlorophyll
• Sperm
• Egg cells

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The physical expression of a trait in an organism is known as the...

• Chromosome
• Phenotype
• Genotype
• Double helix

Tags

NGSS.HS-LS1-1

Two heterozygous green pea plants are crossed. Green pod color is dominant over yellow. What percentage will have green pods?

• 100%
• 50%
• 75%
• 25%

Tags

NGSS.HS-LS3-1

Organisms that have two identical alleles for one gene are said to be

• Hybrid
• Homozygous
• Heterozygous
• Dominant

Gametes are which of the following

• Sperm Cell
• Egg Cell
• Sex Cells
• All of the above

Which of the following demonstrates codominance?

• A tall plant and short plant = all tall offspring
• Black bunny and white bunny = grey offspring
• Red cow and white bull = red/white offspring
• Red flower and white flower = pink offspring

What does a Punnett Square show?

• All of Mendel's discoveries about Genetics
• Only recessive alleles in a genetic cross
• All the possible outcomes of a genetic cross
• Only the dominant alleles in a genetic cross

Tags

NGSS.HS-LS3-3

The different forms of a gene are called

• alleles
• factors
• masks
• traits

What does the notation "TT" mean in genetics?

• Two recessive alleles
• Two dominant alleles
• One dominant and one recessive allele
• A heterozygous organism

Tags

NGSS.HS-LS3-2

What does the notation "Tt' mean to geneticists?

• One dominant and one recessive allele
• Two dominant alleles
• Two recessive alleles
• A Homeozygous organism

Tags

NGSS.HS-LS3-1