Traits & Reproduction Review

What is a mutation and how does it affect genes?

• A mutation is a growth on an organism.
• A mutation is a copy of a gene.
• A mutation is a change in an organisms genes.
• A mutation is a feature of an organism.

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What do gene versions do?

• Make the proteins
• Provide instructions for proteins
• Give the  organism its genes
• Pass on the genes to the offspring

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How do different protein structures in cells determine traits?

• Different protein structures affect how they connect to other proteins molecules.
• Different protein structures have no effect on connecting genes.
• Different protein structures can change the gene.
• Different protein structures provide instructions.

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How many different protein structures do heterozygous gene versions create?

• One protein

• Two proteins

• Three proteins

• They are the same.

How do organisms get their traits?

• They get their traits from their environment.

• They inherit one copy of a gene from their mother.

• They inherit a copy of a gene version from their mother and father.

• They get their traits from the proteins they eat.

What does homozygous mean?

• Two copies of a gene version that are different.
• Two copies of a gene version that are the same.
• Two copies of a gene that are mutated.
• Two copies of a gene that are used to create another gene.

Why do siblings' and parents' traits differ from each other?

• Siblings get different amounts of genes from their mother or father making them different.

• Each sibling has a mutation that causes them to have different traits.

• Siblings use their environment and experiences to determine their traits.

• Offspring inherit different combinations of gene versions from parents.

How many types of protein do homozygous genes create?

• They are different

• One protein

• Two proteins

• Three proteins

How does sexual reproduction result in a variation among offspring?

• Organisms usually inherit their traits from the parent that lives in the same environment.

• Each gene version provides a unique set of instructions to make a protein.

• Protein molecules interact with other protein molecules.

• Each parent randomly passes on one of its two copies of each gene to its offspring.

How do the proteins determine traits in organisms?

• They give instructions to the genes
• It depends on how they connect with other proteins
• The trait depends on what environment the organism lives in. 
• The organism inherits its genes through sexual reproduction.

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