The mixta gene in snapdragons helps determine flower color by regulating
a. anthocyanin production.
b. production of pigments other than anthocyanin.
c. cell shape.
d. production of anthocyanin and other pigments.
e. anthocyanin production and cell shape.
C
You might also like to view...
Which naturalist wrote a 44-volume natural history on plants and animals, and suggested migration, environmental influences, isolation, and overcrowding might affect how organisms descend with modifications?
A. Darwin B. Leclerc C. Lamarck D. Cuvier E. Lyell
The sharpest vision occurs at the ________, where the concentration of cones is highest.
A. optic nerve B. parallax C. area of the retina closest to the lens at the front of the eye D. fovea
Induced pluripotent stem (iPS) cells ______________________
(a) are created by the expression of a set of key genes in cells derived from adult tissues so that these cells can differentiate into a variety of cell types. (b) require a supply of donor egg cells, such as embryonic stem cells. (c) can differentiate into a greater variety of adult tissues than embryonic stem cells. (d) are created by nuclear transplantation.
Which bacteria causes infections seen in chart 1?
A) Streptococcus pyogenes B) Staphylococcus aureus C) Streptococcus pneumoniae B) Staphylococcus aureus