Imagine You've Isolated a Yeast Mutant That Contains a Constitutively

question 26

Multiple Choice

Imagine you've isolated a yeast mutant that contains a constitutively constantly) active histone deacetylase. What phenotype do you predict for this mutant?

• A) The mutant will require galactose for growth.
• B) The mutant will show low levels of gene expression.
• C) The mutant will show high levels of gene expression.
• D) The mutant will grow rapidly.

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Definitions:

Supergroup

A high-level taxonomic rank in the classification of organisms, above kingdom, proposed to accommodate the phylogenetic relationships.

Forams

are short for foraminifera, a large group of amoeboid protists with calcareous shells, used in geological dating and paleoclimate estimation.

Representative Clade

A group of organisms that includes an ancestor and all of its descendants, representative of a larger evolutionary group.

Supergroup

A classification level in the hierarchy of biological taxonomy, designed to help categorize organisms that share fundamental evolutionary traits beyond the domain and kingdom level.