There are ____________________ chromosomes in a human tetraploid cell.Fill in the blank(s) with the appropriate word(s)
ninety-two
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Which of the following can be completely degraded to carbon dioxide by microorganisms?
A) petroleum B) uranium C) chlorinated organics D) petroleum and chlorinated organics
A nautical mile is comparable to ________
a. 1 land mile b. 1 minute of longitude c. 1.85 land miles d. 1 minute of latitude
The _____ is an external genital structure in the male that contains the testes.
A. prostate B. phallus C. scrotum D. fourchette
Assume that investigators crossed a strain of flies carrying the dominant eye mutation Lobe on the second chromosome with a strain homozygous for the second chromosome recessive mutations smooth abdomen and straw body. The F1 Lobe females were then
backcrossed with homozygous smooth abdomen, straw body males, and the following phenotypes were observed: smooth abdomen, straw body 820 Lobe 780 smooth abdomen, Lobe 42 straw body 58 smooth abdomen 148 Lobe, straw body 152 What is the coefficient of coincidence? A) 0.33 B) zero C) 0.75 D) 0.5 E) 0.25