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Mendelian Genetics

TermDefinition
Homozygous An organism that has two identical alleles for a trait
Heterozygous An organism that has two different alleles for a trait
Cross The mating of two organisms in genetics
P generation Parental generation, the first two individuals that mate in a genetic cross
F1 generation The first generation of offspring obtained from an experimental cross of two organisms
Self-fertilization Fertilization in which both egg and pollen come from the same plant
Law of segregation Mendel's law that states that the pairs of homologous chromosomes separate in meiosis so that only one chromosome from each pair is present in each gamete
Fertilization Fusion of an egg and sperm cell
Purebred AKA: Homozygous; An organism that always produces offspring with the same form of a trait as the parent
Hybrid AKA: Heterozygous; An organism that has two different alleles for a trait
Law of dominance Recessive alleles will always be masked (hidden) by dominant alleles
Genotype An organisms genetic makeup or allele combinations
Phenotype An organisms physical appearance or visible traits
Law of independent assortment The law that states genes separate independently of one another in meiosis
What does AA represent? Homozygous dominant/purebred
What does AA represent? Homozygous recessive/purebred
Created by: Hailey.rae
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