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22 Cards in this Set
- Front
- Back
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Gregor Mendel
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-Discovered the basic principles of heredity
-by breeding garden peas in carefully planned experiments -Studied 7 different pea plants characteristics -seed shape, color, coat color, pod shape, pod color, flower position, and plant height |
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Dominant means
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-Trait that will appear when it shows allies
-father gene -any upper case letter (N) |
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Recessive means
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-Trait that is hidden in pesents of the dominant
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Homozygous
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refers to a trait with 2 copies that had same allies
(homo) man/man |
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Heterozygous
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2 diffrent allies
Dom copy and Recessive copy (hetero) (man/woman) |
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Punnet Square
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diagram for predicting the results of a genetic cross between individuals of known genetic makeup
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Genotype
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(Tt)
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Law of segregation
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two allies for a heritable character separate (segregate) during gamete formation and end up in diffrent gametes
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Law of independent Assortment
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Dr
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Complete dominance
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occurs when phenotypes of the heterozygote and dominant homozygote are identical (this is what mendal was talking about)
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Codominance
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two dominant alleles affect the phenotype in separate, distinguishable ways
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Pedigree Chart
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family tree that describes the interrelationships of parents and children across generations
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Polygentic inheritance
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traits that are controlled by two or more genes
shows a wide range of phenotypes |
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Carries
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are Heterozygous individuals who carry the recessive allies but are phentypically normal
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True Breeding
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purebred, produced from the same ancestral line, offspring and parents have identical traits
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Hybrid
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produced by breeding parents of opposite traits, offspring and both parents will not be identical
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Monohybrid
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studying one Trait or one gene
exp crossing Pp x pp |
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Dihybrid
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exp PpYy x ppyy
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independent assortment
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2 diffrent genes
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Test Cross
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Pp or PP how to figure out the genotype
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Allies
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humans have 2 allies
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incomplete dominant
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a mixture of the allies in the genotype is seen in the phenotype
exp: black + white = grey |
