Chapter 13: Q. 15 (page 344)
Determine whether the function is one-to-one.
xyz
desc1
desc2
| 6 | 0 | ||||
| 8 | |||||
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Which recombination frequency corresponds to independent assortment and the absence of linkage?
a. 0
b. 0.25
c. 0.50
d. 0.75
Figure 13.3 In a test cross for two characteristics such as the one shown here, can the predicted frequency of recombinant offspring be 60 percent? Why or why not?
Assume a pericentric inversion occurred in one of two homologs prior to meiosis. The other homolog remains normal. During meiosis, what structure—if any—would these homologs assume in order to pair accurately along their lengths?
a. V formation
b. cruciform
c. loop
d. pairing would not be possible
Which recombination frequency corresponds to perfect linkage and violates the law of independent assortment?
a. 0
b. 0.25
c. 0.50
d. 0.75
If the allele encoding polydactyly (six fingers) is
dominant why do most people have five fingers?
a. Genetic elements suppress the polydactyl gene.
b. Polydactyly is embryonic lethal.
c. The sixth finger is removed at birth.
d. The polydactyl allele is very rare in the human
population.
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