Heredity,selective breeding
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| multiple alleles | when there are more than two alleles for a specific trait
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| 3 | the number of alleles you can possibly inherit from your parents for blood type (A,B,O)
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| codominance | when dominant and recessive traits are combined in the heterozygous state and both traits are expressed at the same time
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| polygenic inheritance | when a trait is controlled by more than one gene and a variety of phenotypes are seen
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| incomplete dominance | when dominant and recessive traits are combined in the heterozygous state and result in a blending of the traits
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| incomplete dominance example | red flowers X white flowers ---> pink flowers
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| codominance example | red flowers X white flowers ---> red & white spotted flowers
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| polygenic inheritance example | eye color, skin color, height
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| hybridization | breeders cross two genetically different individuals and the organism that results has the best traits from both parents
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| artificial selection | another term for selective breeding
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| inbreeding | involves crossing two organisms that have similar characteristics (parents have same or similar sets of alleles)
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| death, infertility, genetic disorders | negative aspects of inbreeding
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| selective breeding | the process of selecting organisms with desired traits to be parents of the next generation
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| a defective gene | the science behind the incredible muscle mass in the super cows
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Created by:
janicebryan
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