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Genetics

Ch 10

TermDefinition
Genetics Study of Heredity
Fertilization Process in sexual reproduction in which male and female reproductive cells join to form a new cell
Trait Specific characteristic of an individual
True-breeding (pure) Same as Homozygous
Hybrid Offspring of crosses between parents with different traits
Segregation Separation of alleles during gamete formation
Independent Assortment One of Mendel's principles that states that genes for different traits can segregate independently during the formation of gametes
Gametes sex cell
Homozygous Having two identical alleles for a particular gene
Heterozygous Having two different alleles for particular gene
Phenotype Physical characteristics of an organism
Genotype Genetic makeup of an organism
Dominant The gene that always shows up
Recessive The gene that is hidden
Allele One of a number of different forms of a gene
Incomplete Dominace situation in which one allele is not completely dominant over another allele
Codominance Situation in which the phenotype produced by both alleles are completely expressed
Punnett Square Diagram that can be used to predict the genotype and phenotype combinations of a genetic cross
Multiple Allele Trait A gene that has more than two alleles
Polygenic Trait Trait controlled by two or more genes
Sex-linked Trait Gene located on a sex chromosome
Carrier You carry the gene but you don't have the disease
Autosome Chromosome that is not a sex chromosome; also called autosomal chromosome
Created by: taitymknott_3
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