Why do siblings look different from one another (except identical twins)?
A. Each sibling has a different # of chromosomes
B. Products of meiosis contain identical combinations of the same genes
C. Products oil meiosis result in different combinations of the same genes
D. Random combinations of eggs and sperm
E. C & D
Ans: E. C & D
You might also like to view...
Movement in a specific direction in response to a stimulus is called a ____
Fill in the blank with the appropriate word.
A daughter can inherit an X-linked recessive disorder if
A) her mother is a carrier and her father has the disorder. B) her mother is affected with the disorder. C) her father is hemizygous for the disorder and her mother is wild type. D) her father is a carrier of the disorder.
A sheepherder has a large black and necrotic lesion (eschar) under his chin that has grown quickly in size. There is no pus, but the patient complains of painful and swollen glands. A gram-positive bacillus is isolated from the lesion. Which of the following features of the responsible agent is NOT a virulent Factor?
A. capsule B. endotoxin C. Lethal toxins D. Spore formation
Which endocrine gland is the main center for control of the internal environment?
A. Pineal B. Hypothalamus C. Thyroid D. Adrenal cortex E. Thalamus