NSCAS-Heredity Review

Every living thing has genetic information stored in the form of

• Ribosomes

• DNA

• Chloroplast

• Mitochondria

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If two alleles are the same for a certain trait they are considered

• Homozygous

• Twins

• Heterozygous

• Common

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Physical traits that are expressed are known as ____________

• Mutation

• Personality

• Genotype

• Phenotype

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Sections of DNA that have instructions for a specific trait are called _______________

• Blueprints

• Genes

• Heterozygous

• Fragments

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Chromosomes are

• Found in the mitochondria

• Made of 20 pairs

• Long strands of DNA that contain many genes

• Bundles of DNA that contain only one gene each

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In science, mutations are

• The reason the X-Men exist

• Genetically engineered creatures that you fight in the Hunger Games

• A change in the DNA of an organism that produces new traits

• Always helpful for survival

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True or false: Mutations only harm chances of survival:

• True

• False

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Traits that are passed from parents to offspring are always

• Recessive

• Inherited

• Dominant

• Heterozygous

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The genetic difference between individuals in the same species is

• Interesting

• Harmful

• Variation

• Genetics

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The genes of an organism that are written with capital or lowercase letters

• Pant size

• Deoxyribonucleic acid

• Genotype

• Gretchentype

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