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Biology
Genetics
16
Biology
11th Grade
12/18/2013

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Term
gene
Definition
heritable factor that controls a specific characteristic
Term
allele
Definition
variation of the gene
Term
homozygous
Definition
2 of the same alleles
Term
heterozygous
Definition
2 different alleles
Term
genotype
Definition
combo of alleles an organ has
Term
phenotype
Definition
physical trait expressed by a genotype
Term
dominant
Definition
always expressed in the phenotype
Term
recessive
Definition
only expressed if there isn't a dominate allele
Term
base substitution mutation
Definition
could lead to major influences on the organ or little to none at all
Term
homologous chromosome
Definition
2 separate chromosomes that get separated in meiosis 1
Term
autosome
Definition
chromosome that isn't a sex chromosome
Term
sex chromosome
Definition
development of sexual characteristics in an organ
Term
non-disjunction
Definition
failure of sister chromatids to separate
Term
PCR
Definition
polymerase chain reaction
Term
genome
Definition
haploid set of chromosomes in an organ
Term
clone
Definition
organ produced a sexually from a parent that is genetically identical
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