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Biology

Chapter 11 Biology

TermDefinition
Genetics The scientific study of heredity
Gamete Sex Cells, haploid
Trait A specific characteristic that varies from one individual to another
Homozygous Organisms that have two identical alleles for a particular trait
Hybrid The offspring of crosses between parents with different traits
Heterozygous Organisms that have two different alleles for the same trait
Segregation Separation
Phenotype physical characteristics
Independent Assortment Genes that segregate independently
Genotype Genetic makeup(gene combination for a trait)
Incomplete Dominance When one allele is not completely dominant over another
Haploid One set of chromosomes
Co-dominance Where both alleles contribute to the phenotype
Diploid Two sets of chromosomes
Multiple Alleles Genes have more than two alleles
Meiosis A process of reduction in which the number of chromosomes per cell is cut in half through separation of homologous chromosomes in a diploid cell
Polygenic Traits Having many genes
Tetrad In prophase of meiosis 1, however, each chromosome pairs with its corresponding homologous chromosomes to form a structure called a tetrad
Created by: hmutch
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