Relier Pairs Mendel GeneticsVersion en ligne His research showed that traits are inherited as discrete units. He came up with two important laws in genetics. What do you know about his work to get your clue? par Deanna Squire Squire 1 Heterozygous genotype 2 States that organisms inherit 2 copes of each gene, one from each parent and that during the formation of games the two copies of each gene separate. 3 The physical characteristic, or traits that is expressed (Tall, Short) 4 Homozygous genotype 5 allele that is expressed only when two copies are present (t) 6 Considered the father of Genetics 7 Allele that is expressed when two different alleles are present (T) 8 refers to the genetic makeup of a specific set of genes (TT, Tt, tt) Mendel (1) Dominant TT (8) Tt (2) Genotype Recessive (3) Phenotype (7) Law of Segregation