In garden peas, one pair of alleles controls the height
of the plant, and a second pair of alleles controls
flower color. The allele for tall (D) is dominant to the
allele for dwarf (d), and the allele for purple (P) is
dominant to the allele for white (p). A tall plant with
purple flowers crossed with a tall plant with white
flowers produces 3/8 tall purple, 1/8 tall white, 3/8
dwarf purple, and 1/8 dwarf white. What is the
genotype of the parents? What will be an ideal response?
Answer: Dd Pp x Dd pp
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________ are the entire set of RNAs that can be produced by a genome.
Fill in the blank(s) with the appropriate word(s).
What is a logical conclusion that can be drawn from the graphs above?
A) Developed countries have lower infant mortality rates and lower life expectancy than developing countries. B) Developed countries have higher infant mortality rates and lower life expectancy than developing countries. C) Developed countries have lower infant mortality rates and higher life expectancy than developing countries. D) Developed countries have higher infant mortality rates and higher life expectancy than developing countries.
Although poliovirus capsids contain several distinct proteins, these are synthesized as a single polypeptide then cleaved by proteases to produce the individual proteins.
Answer the following statement true (T) or false (F)
In a certain breed of chicken, an incompletely dominant gene controls color. The homozygous black (BB), when crossed with the homozygous splashed-white (bb), produces an intermediate gray color pattern referred to as blue. A second gene controls the shape of the comb. The dominant allele (R) produces rose, whereas the recessive allele (r) produces single. A cross between a true-breeding black with a single comb and a true-breeding splashed-white with a rose comb will produce a total of _______ different phenotypes in the F2 generation.
Fill in the blank(s) with the appropriate word(s).