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Genetics

genetic vocab

TermDefinition
Genetics the study of heredity (how things are passed down from parents to offspring)
trait specific characteristics that vary from one individual to the next
hybrid the offspring of two parents with different traits
segregation the separation of things
gamete sex cell (haploid)
homozygous organisms with two identical alleles for a certain trait (ex. TTortt)
heterozygous organisms with two different alleles for a certain trait (ex. Tt)
phenotype the physical characteristics (way it looks)
genotype genetic makeup (ex TT,Tt,TT)
Independent assortment genes segregate independently
Incomplete dominance one allele is not completely dominant (ex. Tt)
co-dominance both alleles contribute to the phenotype (ex. TG)
multiple alleles more than two alleles
polygenic traits traits controlled by two or more genes
haploid single set of chromosomes and single set of genes
diploid two sets of chromosomes and two sets of genes
meiosis number of chromosomes per cell is cut in half through separation of homologous chromosomes in a diploid cell
tetrad chromosome pairs with its corresponding homologous chromosome
Created by: bartlett16 on 2014-04-23



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