Genetics Basics Quiz

Why are your chromosomes arranged in pairs?

• Scientists have no idea
• Because you get one from your mom and one from your dad
• Because pairs can divide easier
• Because DNA is awesome

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Which statement is true?

• Your DNA is the same as your siblings.

• Your set of DNA is identical to your mothers.

• Your set of DNA is identical to your fathers.

• Your DNA is unique to you, unless you are an identical twin.

Squidward has light blue skin, and his genotype for this trait is Bb. Which of the following would describe Squidward?

• Purebred

• Hybrid

• Homozygous

• Sex-linked

Which of the following is a phenotype?

• BB
• Bb
• bb
• Blue eyes

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NGSS.HS-LS3-1

What is a phenotype

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

having two of the same genes for the trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

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NGSS.HS-LS3-1

having two different genes for a trait (sometimes called hybrid).

• protein
• homozygous
• heterozygous
• genotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele

Are recessive traits shown with capital or lowercase letters? 

• Capital
• Lowercase

The physical appearance or the way a gene looks is known as it's....

• genotype
• allele
• gene
• phenotype