Genetics Pedigree Lesson

a genotype in which the two alleles of a gene are different.

• heterozygous

• homozygous

• phenotype

• genotype

______________ means passed on from parents. 

• pupa

• larva

• inherited

• cell

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What is heredity?

• A kind of genetic disorder

• The way DNA divides

• A trait you inherit from your parents

• The passing down of traits from parents to children

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What is the relationship between DNA and genes?

• Genes are made of DNA

• DNA is the opposite of a gene

• DNA and genes are the same thing

• All of the above are correct

One set of instructions for an inherited trait is known as -

• heredity

• allele

• trait

• gene

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A characteristic that an organism can pass on to its offspring through its genes is called a -

• protein

• trait

• DNA

• gene

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Genes code for _____, and these molecules give us our traits.

• DNA

• Ribsosomes

• Protein

• Nucleus

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Why is DNA important?

• It is very small and very complicated.

• It is in everything.

• It serves as the blueprint for traits of all living things.

• We eat it every day for energy.

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A ______ model can be used to show traits and help determine genotypes of genetically related family members over several generations.

• Punnett Square

• Pedigree

• Ratio

• Phenotype

The scientific study of heredity is called ____

• Inheritance

• Genetics

• mutations

• Pea plants

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