In cultivated stocks, the cross of a variety of white flower plants produced all red flowers in the F1
generation, but the F2 generation produced 87 red, 31 cream, and 39 white. Explain these results by
giving the genotypes possible for each phenotype. What will be an ideal response?
R-red, r-cream, A-pigment, a-albino
9 R__ A__ red, 3 rr A__ cream, 4 __aa white
You might also like to view...
True or false: Niches are dynamic, and are affected by interactions among species
A. true B. false
Eukaryotic proteins do not require a targeting signal if they are destined to function in the:
A. nucleus. B. lysosome. C. plasma membrane. D. cytoplasm.
Enzymes function as catalysts by
A. bringing the substrates together at the active site correctly oriented for the reaction. B. bringing the substrates together at the active site, in effect concentrating them. C. bringing the substrates together at the active site, in effect concentrating them and bringing the substrates together at the active site correctly oriented for the reaction. D. None of the choices are correct.
The ____ biome is characterized by plants that are particularly well adapted to periodic fires
a. taiga b. temperate rain forest c. tundra d. chaparral e. tropical rain forest