Chapter.13.science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is DNA? | The chemical code found in chromosomes that tells cells what to do.
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| What are genes? | Small sections of DNA that determine traits.
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| What is genotype? | The genetic combination or arrangement of genes within an organism.
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| What is heredity? | The passing of traits from parents to offsprings
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| What is a pedigree? | A chart that traces a trait through a family tree.
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| What is phenotype? | The Physical appearance of an organism.
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| What is a Punnett Square? | It shows the possible genetic outcomes for a offspring and helps determine the probability of those outcomes.
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| What are Traits? | characteristics that are inherited fro parents.
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| What accomplishment did Reginald Punnett have? | geneticist who used squares to understand genetic possibilities.
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| What accomplishment did James Watson and Francis Crick have? | THey discovered the shape of DNA molecules
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| What accomplishment did Gregor Johann Mendel have? | Discovered that traits are passed from generation to generation.
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| What is DNA structured like? | a twisted spiral ladder.
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| What DNA base will A fit with? | It will fit with T.
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| Who is the Father of Genetics? | Gregor Mendel
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| What is a disease from a sex-linked trait? | Hemophilia
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| What is the blending together of some genes called? | incomplete dominance
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| How many chromosomes do most people have? | 46
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| In what disease are some red blood cells hard and curved? | Sicle Cell Anemia
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| What is it called when both dominant and recessive genes are expressed? | Incompletely dominant
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| What does a square represent on a pedigree? | A male
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| What does a circle represent? | A female
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| What do the vertical lines connect? | marrige
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