Homeotic genes of Drosophila :
A) cause cells of the same type to produce differing amounts of gene products
B) specify the developmental plan(s) for each segment
C) are expressed in only one sex in any particular species
D) are always the sites of lethal mutations
E) control developmental timing
Correct Answer:
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Q41: Genes that normally block cell division are
Q42: Maternal effect genes form _ gradients in
Q43: Metastatic tumors:
A) are examples of neoplasms
B) contain
Q44: The _ oncogene, the _ in human
Q45: Drosophila developmental mutants of _ genes produce
Q47: Malignant tumors are characterized by:
A) metastasis
B) abnormal
Q48: Figure 17-12 Q49: The first active Drosophila segmentation genes are Q50: Figure 17-12 Q51: Gap genes of Drosophila embryos:
A) organize the
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