Relier Pairs Mendel Genetics (D)Version 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 Natasha Hawkins 1 The physical characteristic, or traits that is expressed (Tall, Short) 2 allele that is expressed only when two copies are present (t) 3 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. 4 Considered the father of Genetics 5 Heterozygous genotype 6 Homozygous genotype 7 refers to the genetic makeup of a specific set of genes (TT, Tt, tt) 8 Allele that is expressed when two different alleles are present (T) Tt (2) Law of Segregation Dominant Recessive (3) Phenotype (7) Genotype Mendel (1) TT (8)