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Published byHomer Buddy Bryan Modified over 6 years ago
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Ex. Red and white flower produce pink offspring
Other Patterns of Inheritance Incomplete dominance- no recessive or dominant alleles. There is an incomplete dominance of one allele over another. Ex. Red and white flower produce pink offspring -New format for Punnett squares
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Codominance- both phenotypes show of the alleles in different locations
Ex. Red and white alleles present for flower color= flowers with
red and white stripes
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A red cow (RR) is crossed with a roan cow (RW)
A red cow (RR) is crossed with a roan cow (RW).
What are the possible genotypes and phenotypes of
the offspring?
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A pink flower (RW) and a pink flower (RW) are crossed
A pink flower (RW) and a pink flower (RW) are crossed. What are the
genotypes for the flowers if red flower color is represented by R and
white flowers are represented by W? What are the potential
genotypes and phenotypes of their offspring?
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Multiple Alleles- one gene can have multiple alleles
(not per individual but as options in a population)
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Polygenic Traits More than one gene codes for a trait Ex. Skin color
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Genes and the Environment
-Phenotype only partly due to genotype -Also due to environmental effects
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