4. Normal yeast cells can survive on a diet of sugars, a few simple salts and one vitamin. They can make all of their amino acids and other vitamins using what can be found in their diet. You identify a mutant strain that can only survive if given alanine, which is one of the amino acids. The mutation is recessive. Based on this information, what would you predict that the normal function of the dominant allele is?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
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Genetics Q4

4. Normal yeast cells can survive on a diet of sugars,
a few simple salts and one vitamin. They can make
all of their amino acids and other vitamins using
what can be found in their diet. You identify a
mutant strain that can only survive if given alanine,
which is one of the amino acids. The mutation is
recessive. Based on this information, what would
you predict that the normal function of the
dominant allele is?
Transcribed Image Text:4. Normal yeast cells can survive on a diet of sugars, a few simple salts and one vitamin. They can make all of their amino acids and other vitamins using what can be found in their diet. You identify a mutant strain that can only survive if given alanine, which is one of the amino acids. The mutation is recessive. Based on this information, what would you predict that the normal function of the dominant allele is?
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