A pure-breeding female fruit fly with a yellow body is crossed to a pure-breeding male fruit fly with a gray body. All female offspring from the cross have gray bodies and all males have yellow bodies
Body color is likely a(n)__________trait, and the gray allele is ________. A) Autosomal; dominant
B) Autosomal; recessive
C) X-linked; dominant
D) X-linked; recessive
C
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What could be a possible consequence if a structural gene's TATA box is mutated?
A. The transcriptional start site may not function properly. B. Transcription may start at a variety of sites. C. Unusable transcripts may be produced. D. The preinitiation complex may form at the wrong site. E. All of the choices are correct.
In many organisms, ____________________ functions to transfer genetic information from the nucleus to the cytoplasm
Fill in the blank(s) with correct word
Which of the following is a correct expression of the Hardy-Weinberg equation?
a. p + q = p2 + q2 b. p2 + 2pq + q2 = 0 c. p2 + pq ? q2 = 1 d. p2 + 2pq + q2 = 1 e. p+q = 0
How many metric tons of air pollutants does the United States release every day?
a. 100,000 b. 200,000 c. 500,000 d. 700,000 e. 900,000