Mendel tested for heterozygotes by using
A. true-breeding cross.
B. monohybrid cross.
C. test cross.
D. dihybrid cross.
Answer: C
Biology & Microbiology
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In bacterial cells, a cell that had the F plasmid integrated into the chromosome is known as
A) F-. B) F+. C) F'. D) Hfr. E) none of the above
Biology & Microbiology
Unique parts of bacterial cells are ___,___ and ___
Fill in the blank(s) with the appropriate word(s).nucleoid region, capsule and pilus
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Which condition is NOT associated with chromosome 21?
a. sickle-cell anemia b. Down syndrome c. ALS d. epilepsy e. schizophrenia
Biology & Microbiology
The evolution of aerobic respiration ____ both oxygen and carbon dioxide levels in the biosphere
a. mutated b. stabilized c. increased d. decreased e. eliminated
Biology & Microbiology