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