Albinism, lack of pigmentation in humans, results from an autosomal recessive gene (a). Two parents with normal pigmentation have an albino child. What is the probability that their next child will be an albino girl?
What will be an ideal response?
1/4 × 1/2 = 1/8
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Which of the following is false about the human
nervous system? a. Cranial nerves attach directly to the brain. b. There are twelve pairs of cranial nerves. c. There are twelve pairs of thoracic spinal nerves. d. Spinal nerves attach directly to the spinal cord. e. There are two sciatic nerves in each leg
Which of the following is a common soil anion?
A) NH4+ B) Ca2+ C) NO3- D) Mg2+
Which of the following is correct about members of the genus Propionibacterium?
A. They are typically found growing on the skin and in the digestive tract of animals. B. They cause acne vulgaris and contribute to the development of body odor. C. They are used in the production of Swiss cheese. D. All of the choices are correct.
The ________ is the protective chamber that houses the ovule and later matures to become the fruit
A) ovary B) carpel C) sepals D) stigma