Select your answer:
Topics:
Vitamins and Minerals Musculoskeletal Fitness The Cardiovascular System: Blood Vessels and Hemodynamics Heart Vocab and Blood Flow Pathway Bio Cells Health Issues Related to Digesting System and Eating Habits Physical Human Anatomy and Physiology - Types of Tissues Skin and Derivatives Dimensions of Wellness Digestion Genes, Chromosomes and Genome Special Senses Digestive and Circulatory System Lymphatic SystemOther quiz:
Heart and Blood Vessels › ViewWhich side of the heart pumps blood into the lungs?
A. Right
B. Left
Genetics › View
When do recessive alleles show their effect in an organism’s traits?
A. In the presence of a dominant allele
B. Only in heterozygous combinations
C. Only in homozygous recessive traits
D. In all types of genetic combinations