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There are four paris of chromosomes in Drosophila: the sexchromosomes (XX in females and XY in males) and three pairs ofautosomes. You are studying a new mutant strain with greeneyes. You want to know if green eye color is a dominantmutation and on which chromosome the green eye locus can befound. When you cross a pure-breeding female green-eyed flywith vestigial wings, and spineless bristles to a male fly withwildtype eye color, wings, and bristles, the F1 progeny all arewildtype. An F1 male is backcrossed to a triple mutantfemale, producing the following progeny:wildtype eyes, wings, and bristles ----- 73 females, 70 maleswildtype eyes and bristles, vestigial ----- 84 females, 78maleswildtype wings, green eyes, spineless ----- 53 females, 44malesgreen eyes, spineless, vestigial ----- 63 females, 58 malesa. Is the mutation dominant or recessive? Explain.I would say the green eye mutation is recessive because all the F1progeny yielded wildtype.
b. Since you know that the locus for vestigial wings is onchromosome 2 and the locus for spineless bristles is on chromosome3, what chromosome carries the locus for green eyes? Showwork including the step by step reasoning used to arrive to youranswer.
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A force F = 200i - 400j + FZ k N, is acting through point A(0,0,0) m. If F creates a moment component of -3000 Nm in the direction of a line passing from point B (2,4,5) m to point C(-3,6,8) m, determine the value of FZ.
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When a true-breeding crinkled-wing fly is crossed with atrue-breeding apterous (no wings) fly, all of the F1 progeny arewild type. The same results are seen for the reciprocalparental cross. What can you conclude about these mutationsand the gene(..
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Imagine that you are a genetic counselor, and a couple planning to start a family comes to you for information. charles was married once befor, and he and his first wife had a child with cystic fibrosi.
Assume if you take a mature prokaryotic mRNA, and use reverse transcription to create DNA from it, will it resemble the original DNA sequence?
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