Matching Pairs HeredityOnline version Life Science by Melodie Gonzalez [STUDENT] 1 Determined by whether or not a dominant trait is present. 2 Genes that are expressed when homozygous genotypes are present. 3 A person with both a dominant and recessive alleles. 4 Genes that are expressed when a heterozygous genotype is present. 5 The trait that is expressed. 6 Because a person has more genes than expressed, there are many different possible combinations of genes their offspring can have. 7 Used to determine the probability of outcomes of offspring. 8 The process by which scientists modify the genome of an organism. 9 Any of the forms of a specific gene that can be present on the same location of a chromosome. 10 The characteristics we get genetically from our parents and our relatives before them. 11 The study of heredity, or how certain features pass parents to their offspring Recessive Traits Heterozygous Heredity Punnet Square Genetic Engineering Phenotype Variation Of Traits Genetics Gene Expression Alleles Dominant Traits