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Genetics

Genetics unit 11

TermDefinition
genetics the study of heredity (key to understand what makes each species unique), core revolution in understanding biology.
trait a specific characteristics to each individual parent to offspring.
hybird offspring of crosses between parents with different traits.
segregation separation of alleles during gamete formation.
gamete specialized cell involved in sexual reproduction
homozygous organisms that have 2 identical alleles for the same traits.
heterozygous organisms that 2 different alleles for the same trait.
phenotype physical characteristics
genotype genetic makeup
independent assortment independent segregation of genes during the formation of gametes.
incomplete dominance situation in which one allele is not completely dominance over another
co-dominance both alleles contribute to the phenotype
multiple alleles more than 2 alleles for the same gene
polygenic traits traits controlled by two or more genes are- "having many genes"
haploid term used to refer to a cell that contains only a single set of chromosomes and therefore only a single set of genes.
diploid term used to refer to a cell that contains both sets of homologous chromosomes
meiosis a process of reduction division in which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell.
tetrad structure containing 4 chromatids that forms during meiosis.
Created by: lindsayclary1
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