Two organisms, AABBCCDDEE and aabbccddee, are mated to produce an F1 that is self-fertilized
If the capital letters represent dominant, independently assorting alleles:
(a) How many different genotypes will occur in the F2?
(b) What proportion of the F2 genotypes will be recessive for all five loci?
(c) Would you change your answers to part (a) and/or part (b) if the initial cross occurred between AAbbCCddee × aaBBccDDEE parents?
(d) Would you change your answers to part (a) and/or part (b) if the initial cross occurred between AABBCCDDEE × aabbccddEE parents?
(a) 35 = 243
(b) 1/243
(c) no
(d) yes
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The type of bond illustrated in Figure 2-2 is:
a. an ionic bond.
b. a polar bond.
c. a single covalent bond.
d. a hydrogen bond.
e. a double covalent bond.
The fovea of the human eye
A) is also known as the blind spot. B) is located in the sclera. C) contains a high concentration of ommatidia. D) is the part of the retina that produces the sharpest image. E) contains mostly rods.
A(n) __________ is a noncellular infectious particle with a protein coat enclosing DNA or RNA.
Fill in the blank(s) with the appropriate word(s).
How many codons can act as termination codons?
A) four B) three C) one D) two