You observe that your friend has dimples. Dimples result from the presence of the dominant gene D; absence of dimples is a homozygous recessive condition (dd). What genotype or genotypes might your friend have?

A) dd only B) DD or Dd C) DD only D) Dd only


Answer: B

Anatomy & Physiology

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Flat cells with tapered ends that are the most abundant resident cells in connective tissue proper are known as ________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

What event immediately precedes anaphase?

A) Chromosomes cluster at the midline of the cell. B) The mitotic spindle forms. C) The nuclear envelope forms around chromatin. D) DNA replicates.

Anatomy & Physiology

Fibroblasts produce collagen during wound healing.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

Which of the following will decrease the affinity of hemoglobin for oxygen?

A. Decreased pH, increased temperature, or increased 2,3-DPG B. Increased pH, decreased temperature, or increased 2,3-DPG C. Increased pH, increased temperature, or decreased 2,3-DPG D. Decreased pH, decreased temperature, or decreased 2,3-DPG

Anatomy & Physiology