Which of these haploid strains produces β-galactosidase constitutively but does not produce permease? A)I ^- P⁺ O⁺ Z⁺ Y⁺ B)I⁺ P⁺ O⁺ Z ^- Y ^- C)I ^- P⁺ O⁺ Z ^- Y⁺ D)I⁺ P⁺ O ^- Z⁺ Y⁺ E)I ^- P⁺ O⁺ Z⁺ Y ^-

Question

Quizplus · Accepted Answer

The I^- mutation leads to constitutive expression of β-galactosidase, and the Y^- mutation results in no permease production.

Which of These Haploid Strains Produces β-Galactosidase Constitutively but Does