In general, the frequency with which crossing over occurs between two linked genes depends on _________.
A. the phase of meiosis in which the crossing over occurs
B. whether the genes are on the X chromosomes or not
C. how far apart they are on the chromosomes
D. whether the genes are dominant or recessive
C. how far apart they are on the chromosomes
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Which of the following molecules stabilizes the cell membrane during coated pit formation?
A) mannose-6-phosphate B) KDEL signals C) clatherin D) botulinum toxin E) stabilin
Homologous chromosomes pair during ____________________
a. metaphase II. b. prophase I. c. metaphase I. d. telophase I.
When a eukaryotic gene is cloned into a bacterium, the advantage of a complementary DNA (cDNA) gene being used instead of fragments of genomic DNA is that ________.
A. the introns have been removed from the cDNA gene but not from the genomic fragment B. There is no advantage to using a cDNA gene rather than a genomic fragment C. the cDNA is made with the nucleotides found in the prokaryote but not in the eukaryote D. the promoter and terminator are found in the cDNA gene but not in the genomic fragment
During fossilization, remains of an organism may become suspended in fossilized plant sap, which is called ________.
Fill in the blank(s) with the appropriate word(s).