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genetics

Ch. 10p

TermDefinition
Genetics Scientific Study of heredity
Fertilization Process in sexual reproduction in which male and female reproductive cells join to form a new cell
Trait Specific characteristics of an individual
True Breeding (Pure) When self fertilized, only produces offspring with the same traits
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 a particular gene
Phenotype Physical characteristics of an organism
Genotype Genetic makeup of an organism
Dominant an organism that possesses the dominant gene
Recessive An organism that possesses the dominant gene
Allele One of a different number of a gene
Incomplete Dominance situation in which one allele is not completely dominant over another allele
Codominance situation in which the phenotypes 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 a trait controlled by two or more genes
X-Linked Trait The gene that's causing a disorder is on the X Chromosome.
Carrier an individual carrying a injured gene
Autosome chromosome that is not a sex chromosome; also called autosomal chromosome
Created by: sklas