14. Albinism is a recessive trait. A man and woman both show normal pigmentation, but both have one parent who has albinism (without melanin pigmentation). What is the probability that their first child will have albinism? (A) 0 (B) 1/2 (C)1/4 (D) 1 (E)1/16

14. Albinism is a recessive trait. A man and woman both show normal pigmentation, but both have one parent who has albinism (without melanin pigmentation). What is the probability that their first child will have albinism?
(A) 0
(B) 1/2
(C)1/4
(D) 1
(E)1/16

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統計： A(1), B(1), C(17), D(0), E(1) #3331858

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B1 · 2025/06/27

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12. What is the main advantage of the C4 and CAM photosynthesis strategies over the C3 strategy? (A) They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. (B) They allow the plant to fix carbon more efficiently under conditions of low atmospheric CO2. (C)They allow the plant to fix carbon more efficiently in dim or cool conditions. (D) They make it possible for the plant to use the Calvin cycle at night and during the day. (E)They allow the plant to avoid photorespiration by producing a four-carbon sugar in place of glucose.

14. Albinism is a recessive trait. A man and woman both show normal pigmentation, but both have one parent who has albinism (without melanin pigmentation). What is the probability that their first child will have albinism? (A) 0 (B) 1/2 (C)1/4 (D) 1 (E)1/16

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14. Albinism is a recessive trait. A man and woman both show normal pigmentation, but both have one parent who has albinism (without melanin pigmentation). What is the probability that their first child will have albinism?
(A) 0
(B) 1/2
(C)1/4
(D) 1
(E)1/16