Assume that you are told that a particular organism, Drosophila, has the XO chromosome complement. You are also told that the autosomal complement is a normal 2n. You know that in humans the XO complement is female determining
Would you be correct in assuming that the Drosophila sex for XO is also female? Choose the answer that includes the correct explanation.
C
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True or false: The benefit of asymmetric meiotic division during oogenesis is that it allows most of the cytoplasm to be retained in a single cell
A. true B. false
Which protist is responsible for late blight of potatoes, the cause of the Irish potato famine in the mid 19th century?
a. Phytophthora b. Myxomycota c. Macrocystis d. Physarum e. Giardia
Dr. Ratard was trying to determine the cause of a mysterious epidemic affecting fish in the gulf of New Mexico. His proposal that the deaths were caused by an organism called a protist is considered a(n) ________
A. conclusion. B. hypothesis. C. theory. D. experiment. E. data set.
One of the roles of histone proteins in eukaryotes is ___________
a) control of gene expression by preventing digestive enzymes from degrading the DNA. b) control of gene expression by allowing transcriptional enzymes variable access to the DNA. c) keeping sister chromatids together until they should separate during cell division. d) allowing microtubules to attach to the kinetochores.