Genetics (Heredity)

The scientific study of heredity.

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Every living thing has genetic information stored in the form of ... and found in the nucleus of the cell.

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

• Blueprints

• Heterozygous

• Genes

• Fragment

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Chromosomes are _______________

• Long strands of DNA that contain many genes

• Made of 20 pairs

• Bundles of DNA that contain only one gene each

• Found in the mitochondria

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The passing of physical characteristics, or traits, from parent to offspring. ___________

• Genetics

• Heredity

• Dominant

• Recessive

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Different versions of the same gene are called _____

• genes

• alleles

• variation

• genotype

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

• Homozygous

• Heterozygous

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

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A trait that always shows up when the allele is present ________

• recessive

• dominant

• genotype

A trait that is always hidden when the dominant allele is present ______

• recessive

• dominant

• genotype

• phenptype