Which describes why the twins shown are not exactly alike?
A. Mutations occured to change traits
B. Epigenetic changes were caused by environmental factors
C. The twins have different DNA
D. The twins are identical.
Select your answer:
Topics:
Neuroanatomy of CNS Chest, Back, Abs Disease Prevention Anxiety Disorders Health and The Environment Sarcomere Anatomy First Aid Check up Food DNA Immune System Asexual/Sexual Reproduction Macromolecules & Nutrients Therapeutic Services Roots Biopsychology - Neuroplasticity and Functional Recovery TissuesOther quiz:
The Cardiovascular System: Blood Vessels and Hemodynamics › ViewWhich of the followining vessels bring blood to the inferior vena cava?
A. coronary sinus and subclavian veins.
B. external jagular and carotid artery.
C. radial and brachial vein.
D. renal and common iliac veins
Circulatory System › View
Carbon dioxide is considered a _________________
A. food
B. waste
C. energy
D. fun party favor