Genetics Test

A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?

• 100% BB
• 75% BB and 25%Bb
• 50 % BB and 50% Bb
• 50% Bb and 50% bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Which of the following is a phenotype?

• BB
• Bb
• bb
• Blue eyes

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-6

What is a phenotype

• The genetic make up (code)
• The physical trait

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.MS-LS3-1

Two heterozygous (Tt) tall pea plants are crossed. Which describes their offspring?

• 50% tall and 50% short
• 75%tall and 25% short
• 100%short

Tags

NGSS.HS-LS3-1

A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?

• 100% BB
• 75% BB and 25%Bb
• 50 % BB and 50% Bb
• 50% Bb and 50% bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Mark is asked to write a brief description of himself for the school paper. Which characteristic mentioned in his description has Mark most likely inherited from his parents?

• height
• favorite food
• interest in sports
• ability to speak a foreign language

DNA is inside your cells. What part of the cell is the DNA inside of?

• cell membrane
• cytoplasm
• nucleus

What is this

• DNA
• GENE
• Chromosome
• Genome

Which of the following genotypes is homozygous recessive?

• RR
• Rr
• rr
• None of the Above