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
You might also like to view...
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).
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.
Fibroblasts produce collagen during wound healing.
Answer the following statement true (T) or false (F)
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