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