What is the probability of two parents, both carriers of a defective recessive gene, producing a homozygous child (with each pregnancy)?
A) 0%
B) 25%
C) 50%
D) 75%
Ans: B) 25%
Anatomy & Physiology
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The root of the mane in horses is called the:
A) forelock B) poll C) crest D) tuft
Anatomy & Physiology
Mary is tested for the amount of hemoglobin in her blood. The test results indicate that her hemoglobin level is 16 g/dL of blood. This value indicates that
A) she is suffering from anemia. B) she has fewer red blood cells than normal. C) her hematocrit is probably lower than normal. D) she may be suffering from a form of leukemia. E) her hemoglobin level is normal.
Anatomy & Physiology
The caudodorsal portion of a bird's neck is known as the:
A) nape B) lore C) crown D) crop
Anatomy & Physiology
The rough endoplasmic reticulum is covered with
A. Golgi apparatus. B. lysosomes. C. ribosomes. D. nucleoli.
Anatomy & Physiology