Heredity

The function of a chromosome is to

• produce cellular energy.

• store genetic material.

• provide structural support.

• transport cellular wastes.

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Look at the cell pictured above. Which structure controls the processes of the cell?

• structure Y

• structure W

• structure Z

• structure X

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Which of the following is true about genes?

• In humans, genes are passed to an offspring from two parents.

• Genes are responsible for all the traits of an organism.

• The genes of a particular organism can never change throughout its lifetime.

• Genes are made up of smaller molecules known as chromosomes.

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The genetic information of a living organism is located in the organism's ______.

• computers

• vacuoles

• atoms

• cells

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One function of the chromosomes in a cell is to

• provide information that determines the traits of an organism.

• absorb light and create energy for the entire organism.

• transport proteins throughout the cell and to other cells in the body.

• provide a location for protein synthesis inside the cell.

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Within your cells, the genetic material that controls your traits is located in an ORGANELLE called the ______.

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In which of the following is hereditary information contained?

• minerals

• genes

• cells

• oxygen

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What is the hierarchical relationship of the following genetic components, from smallest to largest?

• DNA Molecule

• Chromosome

• Gene

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The picture shows a father and son.

The father and son both have dark hair and eyes, and both are tall. What scientific concept do the similarities illustrate?

• heredity

• energy transfer

• cell functions

• molecular structure

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Which of the following statements about genes and traits is true?

• • A single gene can influence multiple traits.

• • A single gene can control a single trait.

• • A single trait can alter multiple genes.

• • A single trait can be controlled by multiple genes.

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