Name ____________________________________________________________Date ______________________Block:____________ 3.2 HEREDITY VOCABULARY TERM DEFINITION PICTURE Chromosome • . • FOR A HUMAN ... • Body cells= 46 chromosomes or (23 pairs) • Sex cells= 23 chromosomes Genes • . • . • 28,000 genes in a human cell. • For each trait, there are TWO genes (one from mom one from dad) Alleles Dominant • The trait that ALWAYS appears. • Recessive • The trait that “seems” to fade into the background • . • .