Biology

Biology, 28.06.2019 06:00, darianhaynes

The genes dumpy wings (dp), clot eyes (cl), and apterous wings (ap) are linked on chromosome ii of drosophila. in a series of two-point mapping crosses, the genetic distances shown below were determined. what is the sequence of the three genes? dp-ap 42 dp-cl 3 ap-cl 39

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Biology, 28.06.2019 07:40, MJyoungboy

Imagine that you have joined a genetics lab on campus and want to gain experience mapping genes in drosophila. you conduct a series of two-point mapping crosses involving five genes located on chromosome iii and obtain the following percentage of recombinant offspring: h-cu eyg-h eyg-cu rai-eyg rai-h rai-cu th-cu th-h th-eyg th-rai 23.5% 9.0% 14.5% 18.5% 9.5% 33.0% 6.8% 16.7% 7.7% 26.2% considering that rai is near the end of chromosome iii, construct a map of these genes. for (a), (b), (c), and (d), enter the correctly named gene, for example, if you think, eyg goes in blank "d", then enter eyg. order your genes by their

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Biology, 25.07.2019 00:30, bvbbridesmaid5519

In fruit flies, normal wing length, n, is dominant to apterous (no wings), n. also, red eyes, r, are dominant to sepia eyes, r. a particular fruit fly has normal wings and red eyes, but since these are the dominant traits, it is not possible to tell whether this fly is homozygous or heterozygous for these traits simply by looking at it. one way to find out is to perform a test cross. which phenotype represents a fly that should be used in this test cross? a. apterous with red eyes b. apterous with sepia eyes c. normal wings and red eyes d. normal wings and sepia eyes

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Biology, 18.09.2019 05:30, mya1318

In drosophila melanogaster, white eyes (w) is an x-linked recessive mutation. normal eyes are red (w). at the autosomal wing shape locus, normal shaped wings (vg) are dominant to vestigial wings (vg). the following cross was made: xwxw vgvg x xwy vgvg what proportion of the progeny from this cross will be males with red eyes and normal wings? write your as a numerical

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Biology, 30.09.2019 22:00, jdilla98

Afemale fruit fly with vermilion eyes and normal wings is crossed to a male with normal red eyes and cut wings. the f1 progeny consist of females with red eyes and normal wings, and males with vermilion eyes and normal wings. when the f1 progeny are interbred, the f2 consists of two types of females—vermilion eyes, normal wings (1/2) and red eyes, normal wings (1/2), and two types of males—vermilion eyes, normal wings (1/2) and red eyes, cut wings (1/2). are the genes for eye color and wing type x-linked or autosomal?

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The genes dumpy wings (dp), clot eyes (cl), and apterous wings (ap) are linked on chromosome ii of d...

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