geno-, gen-, genit-, gener-, -gen

(Greek > Latin: race, kind; line of descent; origin, creation; pertaining to sexual relations, reproduction, or heredity; and more recently, a gene or genes)

genesis
genetal
genetical
genetics
The branch of biology that deals with heredity; especially, the mechanisms of hereditary transmission and the variations of inherited characteristics among similar or related organisms.
genetrix
A biological mother or the opposite of a genitor (biological father).
genitalia
genocidal
genocide, genocidal
The deliberate and systematic extermination of an ethnic or national group.
genocline
A gradual change of character across a geographical region due to gene flow.
genome, genomes
1. The full complement of genetic information that an organism inherits from its parents, especially the set of chromosomes and the genes they carry.
2. An organism's genetic material.
3. All of the inheritable traits of an organism.

There are more details about genomes at this link.

genomic imprints
genophobia (s) (noun) (no plural)
An abnormal aversion to sexual intercourse: Genophobia, also termed coitophobia, is related to a dread of having erotic relations with another person and can produce panic and fear, resulting in having trouble with romantic relationships and intimacy.
genotoxicity
geogenous
Growing on the ground.
glycogenesis, glycogeny
1. The formation of sugar in the body by the liver.
2. The formation or synthesis of glycogen from food.
3. The conversion of glucose to glycogen for storage in the liver.