Genetics and Heredity Quiz Test your knowledge about genetics and heredity with this quiz! See if you can answer all 11 questions correctly michelle published on January 06 Stacked 1/11 What is the study of genes and heredity called? Genetics Ecology Evolution Anatomy 2/11 What is a gene? A segment of DNA that carries genetic information A type of organism A type of cell A plant's reproductive organ 3/11 Which of the following is a genetic disorder? Down syndrome Asthma Diabetes Arthritis 4/11 What is the basic unit of heredity? Gene Organism Cell Protein 5/11 Which of the following is an example of a dominant trait? Brown eyes Blue eyes Green eyes Hazel eyes 6/11 What is the probability of having a girl in humans? 50% 25% 75% 100% 7/11 Which molecule carries the genetic information in living organisms? DNA RNA Protein Carbohydrate 8/11 What is the term for the physical characteristics of an organism? Phenotype Genotype Trait Gene 9/11 Which genetic disorder causes the inability to distinguish certain colors? Color blindness Hemophilia Cystic fibrosis Muscular dystrophy 10/11 What is the likelihood of inheriting a recessive trait from two carrier parents? 25% 50% 75% 100% 11/11 What is the term for the different forms of a gene? Allele Chromosome Mutation Nucleotide