In an attempt to determine all the genes involved in hair color in guinea pigs, you identify four lines of true-breeding guinea pigs (hair is normally brown in this type of guinea pig). Shown in the table below are the resulting phenotypes of the offspring from your complementation test, in which you crossed the fourguinea pig lines in all possible combinations: (+) represents normal brown hair color, (-) represents white hair. 23 1 2 3 4 0 1 02 O 3 04 1 0 1 and 2 1 and 3 + O2 and 4 O2 and 3 1 and 4 3 and 4 - + 4 + Part 1 How many different genes are represented in these four lines of guinea pigs? + + Part 2 Which lines are actually defined by a mutation in the same genes?
In an attempt to determine all the genes involved in hair color in guinea pigs, you identify four lines of true-breeding guinea pigs (hair is normally brown in this type of guinea pig). Shown in the table below are the resulting phenotypes of the offspring from your complementation test, in which you crossed the fourguinea pig lines in all possible combinations: (+) represents normal brown hair color, (-) represents white hair. 23 1 2 3 4 0 1 02 O 3 04 1 0 1 and 2 1 and 3 + O2 and 4 O2 and 3 1 and 4 3 and 4 - + 4 + Part 1 How many different genes are represented in these four lines of guinea pigs? + + Part 2 Which lines are actually defined by a mutation in the same genes?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
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Transcribed Image Text:In an attempt to determine all the genes involved in hair color in guinea pigs, you identify four lines of true-breeding guinea pigs (hair is normally brown in this type of guinea pig). Shown in the table below are the resulting phenotypes of the offspring from your
complementation test, in which you crossed the four guinea pig lines in all possible combinations: (+) represents normal brown hair color, (-) represents white hair.
1
2
3
4
O 1
2
O 3
04
0 1 and 2
1 and 3
O2 and 4
O2 and 3
1
1 and 4
-
Part 1
How many different genes are represented in these four lines of guinea pigs?
3 and 4
2
+
3
+
4
Part 2
Which lines are actually defined by a mutation in the same genes?
+
+
+
Expert Solution
Step 1: Introduction
Complementation test is also known as cis- trans test. This test is developed by geneticist Edward B lewis.This test is used to determine whether the mutations in two strains occurs in different gene or in the same gene.
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