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Author Question: The genes for light eyes (lt; light) and straw bristles (stw; straw) are tightly linked on ... (Read 170 times)

robinn137

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on: Jul 13, 2021

Question 1

Kearns-Sayre syndrome (KSS) results in progressive loss of vision and hearing, as well as heart defects. What is the genetic basis for this disease?

Question 2

The genes for light eyes (lt; light) and straw bristles (stw; straw) are tightly linked on chromosome 2 in Drosophila melanogaster. The Malpighian tubes of lt larvae and adults are maternally affected in that Malpighian tubes of lt/lt organisms, whose mothers were lt+/lt and have more yellow pigment than those from lt/lt mothers. There is no maternal effect associated with the straw locus. Give the phenotypes of the offspring from the following crosses.
FemaleMale
Cross #1:lt stw/lt stwlt+stw+/lt stw
Cross #2:lt+ stw/lt stwlt stw+/lt stw
Cross #3:lt+ stw+/lt stwlt stw/lt stw
Concepts of Genetics ¦ Palladino, Spencer, Cummings, Klug ¦ 11th Edition
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Marked as best answer by robinn137 on Jul 13, 2021

robbielu01

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Reply #1 on: Jul 13, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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robinn137

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Reply 2 on: Jul 13, 2021
Great answer, keep it coming :)

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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