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genetics (:

QuestionAnswer
father of genetics- Mendel-studied pea plants
gene- a segment of DNA that encodes for a trait
Allele- different form of the same gene
Dominant allele- masks any other form present
recessive allele- the form of a gene that is masked
homozygous- an individual that has two of the same alleles for a gene
heterozygous- an individual that has two different alleles for a gene
test cross- crossing an unknown individual with a recessive individual to determine whether the unknown individual is hetero
incomplete dominance- neither allele mask the other but instead you see an intermediate in the heterozygous.
codominant alleles- when neither allele masks the other but instead you see both appear.
multiple alleles- more than two alleles influence the same gene
polygentic traits- traits just as hair color that are controlled by more than one gene.
karyotypes- diagrams that arrange chromosomes from the largest to smallest in order to detect diseases caused by nondisjunction or other abnormalities
pedigree- a chart, similar to a family tree that traces a particular trait or disease
Created by: cindymartinez
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