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