Chapter 12 Hair and Fiber Quiz

Which layer of the hair shaft is the thickest layer ?

• Cortex

• Cuticle

• Medulla

• Filament

Hair is a ________ filament that grows from the follicles.

Tags

NGSS.HS-LS1-1

Which type of DNA is inherited from both parents ?

• Adenine

• Mitochondrial

• Cytosine

• Nuclear

Tags

NGSS.HS-LS3-1

When determining a sample, if there's a root it can be tested using mtDNA ?

• True

• False

_______ evidence can also be gathered by the tape lifting method.

The tape lifting method is used by using clear tape to lift visible hair from surfaces.

• True

• False

How is the cuticle formed ?

^{________ scale has a petal shaped scale that protrudes from the hair surface.}

The medulla is the layer that is made up of spindle-shaped cortical cells.

• True

• False

Which medulla pattern is a pigmented line broken at regular intervals ?

• Absent

• Pigmented

• Intermittent

• Solid