Welcome!The Topic For Today Is….

Quarter 1!

Your TopicUno Dos Tres Cuatro Que?

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Bonus Question: 5000 pts

Topic 1: 200• Question:• What is another name for DNA?• Answer• The double helix or a twisted ladder

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Topic 1: 400• Question:• What is any change in a gene or chromosome

called?• Answer:• A mutation

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Topic 1: 600• Question:• What is each identical rod in a chromosome

called?• Answer• chromatids

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Topic 1: 800• Question:• 1. What do we call the different forms of a

characteristic?• 2. What are the different forms of a trait

called? • Answer• Traits; alleles

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Topic 1: 1000• Question:• What does RNA do during protein synthesis?• Answer:• Copies the coded message from the DNA in

the nucleus

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Topic 2: 200• Question:• What happens during Cytokinesis?• Answer• The cell splits into two new cells•

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Topic 2: 400• Question:• Adenine pairs with what base?• Answer• Thymine

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Topic 2: 600• Question:• Which Nitrogen base in RNA is NOT part of

DNA?• Answer• Uracil

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Topic 2: 800• Question:• Where is the genetic information stored in a

cell?• Answer• The nucleus

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Topic 2: 1000• Question:• How does natural selection lead to evolution?• Answer• Individuals that are better adapted to their

environment will survive and reproduce

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Topic 3: 200• Question:• Only traits controlled by ____ can be acted on

by natural selection.• Answer• genes

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Topic 3: 400• Question:• A relationship where one species benefits and

the other is neither helped nor harmed.• Answer• Commensalism

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Topic 3: 600• Question:• The role of an organism in it’s habitat.• Answer• niche

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Topic 3: 800• Question:• A trait that helps an organism survive and

reproduce.• Answer• An adaptation

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Topic 3: 1000• Question:• What determines the Genetic Code?• Answer:• The order of nitrogen bases along a gene.

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Topic 4: 200• Question:• An organism that has two different alleles for

a trait• Answer• Hybrid or heterozygous

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Topic 4: 400• Question:• An organism that has two identical alleles• Answer• Purebred or homozygous

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Topic 4: 600• Question:• Observations that deal with a number are?• Answer• Quantitative

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Topic 4: 800• Question:• An organisms genetic makeup or allele

combinations• Answer• genotype

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Topic 4: 1000• Question:• The regular sequence of growth and division

that cells undergo• Answer• The cell cycle

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Topic 5: 200• Question:• What are the basic units of living things?• Answer• Cells

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Topic 5: 400• Question:• What did Mendel study?• Answer• The genetic crossing of pea plants

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Topic 5: 600• Question:• Write out a section of DNA that would pair

with: ATACCGA• Answer• TATGGCT

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Topic 5: 800• Question:• What is the probability of producing short

plants from a cross between two hybrid tall plants?

• Answer• 25%

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Topic 5: 1000• Question:• What is the chromosome theory of

inheritance?• Answer• Genes are carried from parent to their

offspring on chromosomes

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Bonus Question: 5000 pts.

• Question:• Describe DNA Replication.• Answer• The DNA strand unwinds, the nitrogen base

pairs are split up, and then free nitrogen bases floating in the nucleus pair with up with the broken pairs, creating two identical DNA strands.

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