DNA and traits

Your physical characteristics, like your hair or eye color.

• Genes

• Traits

• Chromosomes

• DNA

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Why are some traits, like sickle cell disease or eye color, determined by genes?

• Your body learns from whoever you're around

• DNA in each cell mutates to change the way the cell works

• The shape of your proteins affects how your cells work or look

• The environment never affects an organism's appearance

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What do ribosomes "read" as instructions when they build proteins?

• Ribosomes read the base code in amino acids

• Ribosomes copy other proteins

• Ribosomes read the DNA in the nucleus

• Ribosomes read genetic information in RNA

Why are organisms usually similar to their ancestors?

• DNA is passed to the next generation during reproduction

• DNA is passed to the next generation during protein synthesis

• All organisms are genetically identical to their parents

• Organisms have proteins that are not like the ones their parents made

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What are chromosomes made of?

• Chromosomes are made of protein

• Chromosomes are made of DNA

• Chromosomes are made of cells

• Chromosomes are made of nuclei

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Where are genes found?

• Genes are on proteins in the ribosome

• Chromosomes are on genes in the nucleus

• Genes are on ribosomes in the nucleus

• Genes are on chromosomes in the nucleus

What is a gene?

• a subunit of a ribosome made of protein

• a short sequence of DNA that is instructions for a protein

• a short sequence of protein that is instructions for DNA

• a short sequence of DNA that makes up a protein

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The letters in DNA are:

• Bases represented by A, T, C, and G

• Bases represented by A, U, C, and G

• Genes represented by A, T, C, and G

• Proteins represented by genes A, T, C, and G

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How does the DNA message get to the ribosomes?

• The ribosomes go to the nucleus

• The gene is transcribed into RNA

• The chromosomes leave the nucleus

• The gene turns into amino acids

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What is the purpose of RNA?

• transmits DNA bases to the membrane

• transports nerve impulses through the body

• carries the genetic message to the ribosomes

• carries the protein to the amino acids

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