Genetics Quiz

What are genes?

• Parts of chromosomes that contain instructions for making proteins

• Different versions of a gene that contribute to variations in traits among individuals

• The combination of alleles an individual possesses for a particular gene

• The observable traits or characteristics that are expressed based on an individual's genotype

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What are alleles?

• Parts of chromosomes that contain instructions for making proteins

• Different versions of a gene that contribute to variations in traits among individuals

• The combination of alleles an individual possesses for a particular gene

• The observable traits or characteristics that are expressed based on an individual's genotype

Tags

NGSS.HS-LS3-2

What is genotype?

• Parts of chromosomes that contain instructions for making proteins

• Different versions of a gene that contribute to variations in traits among individuals

• The combination of alleles an individual possesses for a particular gene

• The observable traits or characteristics that are expressed based on an individual's genotype

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

What is phenotype?

• Parts of chromosomes that contain instructions for making proteins

• Different versions of a gene that contribute to variations in traits among individuals

• The combination of alleles an individual possesses for a particular gene

• The observable traits or characteristics that are expressed based on an individual's genotype

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What is a Punnett square used for?

• Predicting the possible combinations of alleles that offspring can inherit from their parents

• Determining the dominant and recessive alleles in a genotype

• Calculating the probability of a specific trait being expressed in an individual

• Analyzing the environmental factors that influence a trait

What is the dominant allele?

• An allele that is expressed in the phenotype even if only one copy is present in the genotype

• An allele that is only expressed in the phenotype if two copies are present in the genotype

• An allele that has no effect on the phenotype

• An allele that is not inherited from either parent

What is the recessive allele?

• An allele that is expressed in the phenotype even if only one copy is present in the genotype

• An allele that is only expressed in the phenotype if two copies are present in the genotype

• An allele that has no effect on the phenotype

• An allele that is not inherited from either parent

Which of the following alleles are homozygous?

• Aa

• AA

• aa

• BB

• Bb

Which of the following alleles are heterozygous?

• Aa

• AA

• aa

• BB

• Bb

Where in the body are genes found?

• In the nucleus of the cell

• In the mitochondria of the cell

• In the cytoplasm of the cell

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