Test Your Knowledge on Heredity! Put your biology knowledge to the test and see how well you understand the concept of heredity. ghostman published on February 040 responses 0 « Previous Next » Questions in vertical order 1/12 Which scientist is known as the 'father of genetics'? Gregor Mendel Charles Darwin Louis Pasteur Albert Einstein 2/12 What is the basic unit of heredity? Gene Chromosome DNA Allele 3/12 Which of the following represents a dominant trait? Tallness Blue eyes Attached earlobes Type O blood 4/12 What is the term for the physical appearance of an organism? Phenotype Genotype Homozygous Heterozygous 5/12 Which of the following represents a recessive trait? Blue eyes Tallness Curly hair Type A blood 6/12 What is the term for an organism that has two of the same alleles for a particular trait? Homozygous Heterozygous Phenotype Genotype 7/12 Which genetic disorder is caused by the presence of an extra chromosome 21? Down syndrome Cystic fibrosis Huntington's disease Sickle cell anemia 8/12 What is the likelihood that offspring will inherit a recessive trait if both parents are carriers? 25% 50% 75% 100% 9/12 Which of the following represents a sex-linked trait? Color blindness Curly hair Type AB blood Attached earlobes 10/12 What is the term for the variety of alleles of a gene in a population? Genetic diversity Gene pool Recombination Mutation 11/12 How many chromosomes are in a human somatic cell? 46 23 44 48 12/12 What type of cell division produces gametes? Meiosis Mitosis Binary fission Budding
