Distinguish between cis- and trans-dominance
What will be an ideal response?
Cis-dominant genes affect upstream or downstream genes on the same chromosome, while trans-dominant genes can affect expression of genes located on another chromosome.
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Which variable determines the pitch of sound? a. Tone b. Amplitude c. Frequency d. All of these choices
e. Loudness
Which type of plant hormone can be produced by boiling DNA?
a. salicylic acid b. auxins c. cytokinins d. abscisic acid e. jasmonates
Directional selection tends to _____ (select all that apply)
a. eliminate extreme forms of a trait b. favor an extreme form of a trait c. eliminate intermediate forms of a trait d. favor intermediate forms of a trait e. shift allele frequencies in one direction
The ________ is the electron donor in a redox reaction.
A. reductant B. product C. enzyme D. oxidant