Ascospores from a Cross Leu-2 * Ad-7 Met-3 (All Auxotrophic

question 58

Multiple Choice

Ascospores from a cross leu-2 * ad-7 met-3 (all auxotrophic markers) are plated on minimal medium (no adenine,leucine,or methionine) .If the three genes are unlinked,what proportion of ascospores is expected to grow into a colony on this medium?

• A)0.005
• B)0.045
• C)0.125
• D)0.250
• E)0.500

---

Definitions:

Squamous Epithelium

A type of epithelial tissue composed of flat, scale-like cells found in various body sites, including the skin and lining of body cavities.

Stratified Epithelium

A type of epithelial tissue composed of multiple layers of cells that serves as a protective barrier on the body's surfaces.

Simple Epithelium

Epithelium consisting of a single layer of cells.

Epidermis

The epidermis is the outermost layer of the skin, serving as a protective barrier against environmental elements, pathogens, and water loss.