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Genetics Review
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These are found in the nucleus and are tightly coiled bundles of DNA
Chromosomes
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The GENETIC makeup of an organism; an organism's combination of alleles.
Genotype
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How many total chromosomes do humans have?
46, 23 pairs
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An allele that can be masked by a dominant gene form. Indicated by a lowercase letter.
Recessive
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What process makes identical body cells?
Mitosis
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Who is considered the father of modern genetics?
Gregor Mendel
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True or False: All genetic mutations are harmful.
False
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A A diagram used to show all the possible combinations of alleles that can result from a genetic cross
punnett square
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Traits of organisms are passed down from __________ to ____________.
parent to offspring
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If a flower is homozygous dominant and purple, what will its GENOTYPE be?
BB, two copies of the dominant allele
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Deoxyribonucleic Acid is usually referred to as _______
DNA
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What are changes in an organisms' DNA sequence called? (typos)
Mutations
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If a flower is heterozygous for its purple petals, what is it genotype?
Bb, one dominant allele and one recessive
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What is a segment of DNA that controls a specific trait called?
Gene
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What process makes gametes (sperm and egg cells)
Meiosis
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_________ are segments of DNA that determine traits.
Genes
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What word means different versions or variants of a gene?
Allele
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Indicated by a capital letter. The stronger form of an allele that always shows up when present.
Dominant
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The study of heredity is called...
Genetics
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what are the traits that are passed from parents to their offspring called?
inherited traits
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This process makes identical body cells to allow organisms to grow and repair tissue. Also used for Asexual reproduction.
Mitosis
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