THE PASSING ON OF PHYSICAL OR MENTAL CHARACTERISTICS GENETICALLY FROM ONE GENERATION TO ANOTHER.

DOMINANCE IN GENETICS IS A RELATIONSHIP BETWEEN ALLELES OF A SINGLE GENE

IN GENETICS, A RECESSIVE GENE IS AN ALLELE THAT CAUSES A PHENOTYPE THAT IS ONLY SEEN IN A HOMOZYGOUS GENOTYPE AND NEVER IN A HETEROZYGOUS GENOTYPE.

(IN INFORMAL USE) A UNIT OF HEREDITY THAT IS TRANSFERRED FROM A PARENT TO OFFSPRING AND IS HELD TO DETERMINE SOME CHARACTERISTIC OF THE OFFSPRING.

the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.

having dissimilar alleles at corresponding chromosomal loci; "heterozygous for eye color"

having identical alleles at corresponding chromosomal loci; "these two fruit flies are homozygous for red

(SEX CELL) REPRODUCTIVE CELL: A SPERMATOZOON OR AN OVUM; A CELL RESPONSIBLE FOR TRANSMITTING DNA TO THE NEXT GENERATION