Genetics test Review

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-LS3-3

The figure shows a Punnett square for an inherited trait.
The genotype 'aa' represents....

• The genotype of the mother's egg
• The genotype that only girls will inherit
• The genotype that any of the children could inherit
• The genotype that exactly 1/4 of the children will inherit

Tags

NGSS.HS-LS3-1

An offspring will receive how many alleles from each parent to determine a specific trait?

• one
• two
• three
• five

Tags

NGSS.HS-LS3-1

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• all of the choices result in yellow

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Genotype refers to the ...

• physical expression of the genes
• the possible combination of alleles in a gene
• whether an allele is dominant or recessive
• how an organism will appear

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

One form of a gene is called_______________

• a DNA
• a Phenotype
• a trait
• an allele

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

__________ is genetic material on chromosomes organized into a double helix.

• Genotype
• DNA
• Genetics
• Monohybrid

Tags

NGSS.MS-LS1-2

______________ is known as the "Father of Genetics".

• Recessive
• Chromosomes
• DNA
• Gregor Mendel