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Genetics-McCall

Heredity

QuestionAnswer
What is heredity? Physical characteristics being passed from parent to offspring
What is a trait? different forms of characteristics controlled by the alleles inherited from parents
what are genetics? scientific study of heredity
what is a purebred? have identical alleles-homozygous
what is a hybred? have 2 different alleles-heterozygous
wht is a gene? factors that control traits
what is an allele? different forms of a gene where some are dominant some are recessive
what is a dominant allele? always shows up in a trait if present-R
what is a recessive allele? hidden when dominate allele is present-shows only when two are present-r
what is a punnet square? shows all possibilities of a genetic cross
what is a phenotype? physical appearance
what is a genotype? genetic makeup
what is a homozygous? 2 identical alleles-purebred
what is a heterozygous? 2 different alleles-hybred
Who is Mendel? discovered genes and alleles proved that organisms were not simply a blend of their parents' characteristics but determined by individual seperate alleles inherited from each parent
what is selective breeding? process
Created by: mccallj571
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