Answered>Order 7421

Two homologous chromosomes separate during meiosis. One sister chromatid has the alleles A1 and B1, whereas another has the alleles A2 and B2. If chiasmata are unable to form due to errors in the cellular machinery, which of the following includes possible genotypes for the final gametes?

a. A1 B1, A2 B2

b. A1 B2, A2 B1

c. A1 B1, A2 B1

d. a. and b.

e. Not enough information is given to answer this question

A phage with a lysogenic cycle injects its DNA in a single bacterium. What will happen to the bacteria adjacent at the time of injection?

a. They will incorporate the DNA of the infected bacterium via conjugation

b. They will incorporate the DNA of the infected bacterium via transduction

c. They will incorporate the DNA of the infected bacterium via transformation

d. Nothing will happen until the cell enters the lytic cycle

e. Nothing will happen until the cell divides by binary fission

If an mRNA strand contains the sequence 5′- UUAUGGGAUGUUAAAU-3′, what anticodons will bind to the sequence?

a. 3′-AUG-GGA-UGU-UAA-5′

b. 3′-AAU-ACC-CUA-CAA-UUU-5′

c. 3′-AUG-GGA-UGU-UAA-5′

d. 3′-UAC-CCU-ACA-5′

e. 3′-UAC-CCU-ACA-AUU-5′