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