Genetics Terminology Flashcards
The functional unit of inheritance. A small segment of DNA thats the genetic code for a trade.
Gene
Rod like bodies found in the nucleus. In body cells they occur in pair and contain genes
Chromosomes
The place in the chromosome where a gene is located
Locus
Gene located at specific loci on homologous chromosome that effects the same hereditary trait
Alleles
Individuals whose genes for a pair trait are alike
Homozygous
Individuals who have alternative form of a gene of a particular trait
Heterozygous
One gene of an allelic pair that mask or prevents the expression of another pair
Dominant gene
The gene that has its phenotype masked by its dominant allele
Recessive gene
Genetic makeup of an individual for any pair of allele.
Genotype
Characteristics that can be seen or measure
Phenotype
General term that refers to male and female reproductive cells
Gametes
The process of forming gametes
Gametogenesis
Process of forming male gametes
Spermatogenesis
Process of forming female gametes
Oogenesis
Process where a sperm unites with an ova to produce a zygote
Fertilization