Inheritance and Genetic Variation

Which of the following is an example of an inherited trait?

• shooting a basketball

• losing a leg

• having naturally curly hair

• being a fabulous piano player

• hitting a homerun

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

If a child inherits one dominant allele (B) for brown eyes from his father and one recessive allele (b) for blue eyes from his mother, what will his eye color be?

• brown

• blue

• one blue eye and one brown eye

• a brownish/blueish color

• green

Pea plants can be either yellow or green. Yellow is the dominant trait and green is the recessive. What would the genotype be of a green pea plant?

• YY

• Yy

• yy

• there is no way to know for sure

Using the punnett square in the picture, what fraction of the baby frogs would have red backs? (Having red backs is a dominant trait)

• 0%

• 25%

• 50%

• 75%

• 100%

Using the punnett square in the picture, what fraction of the baby frogs would have yellow backs? (Having yellow backs is a recessive trait)

• 0%

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.MS-LS3-2

What is a SECTION (small part) of DNA that has genetic information for one trait called?

• chromosome

• gene

• inherited trait

• DNA

• acquired trait

What is on copy or version of a gene called?

• chromosome

• DNA

• allele

• genotype

• phenotype

Tags

NGSS.HS-LS3-2

What becomes a trait even if only one allele of the gene is present and is represented by a capital letter?

• recessive

• dominant

• allele

• genotype

• phenotype

What becomes a trait only if both alleles of the gene are present and is represented by a lowercase letter?

• recessive

• dominant

• allele

• genotype

• phenotype

How many pairs of chromosomes do human body cells have?

• 10

• 22

• 23

• 44

• 46

Tags

NGSS.HS-LS3-1