Which of the following methods of genetic recombination is common to both eukaryotic and bacterial cells?
A. Crossing over
B. Vertical gene transfer
C. Gamete fusion
D. All of the choices are correct.
Answer: B
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You want to engineer a eukaryotic gene into bacterial colony and have it expressed. What must be included in addition to the coding exons of the gene?
A) the introns B) eukaryotic polymerases C) a bacterial promoter sequence D) eukaryotic ribosomal subunits E) eukaryotic tRNAs
The fact that the live birth rate from older mothers using oocytes in IVF from much younger women is much higher than from older mothers using their own oocytes indicates that the age effects on reproductive success reflect
A) the oocyte source. B) the uterus source. C) the age of the father. D) the sperm count.
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 purple flowers produces 3/4 tall purple and 1/4 tall white. What is the genotype of the parents? What will be an ideal response?
Which of the following polysaccharides is synthesized in the Golgi apparatus?
a. Pectin b. Cellulose c. Amylose d. Glycogen