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