Change in chromosome structure in which the end of a chromosome breaks off or two simultaneous breaks lead to the loss of an internal segment; often causes abnormalities—e.g., cri du chat syndrome.
What will be an ideal response?
deletions
Biology & Microbiology
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The cycle begins with the weathering of rock.
A. phosphorus B. nitrogen C. water D. carbon E. energy
Biology & Microbiology
The repeating units of a compound eye are called
a. ocelli. b. lenses. c. rhabdomeres. d. ommatidia. e. pupils.
Biology & Microbiology
The bacterium Chlamydia has been linked to female infertility and cervical cancer.
a. true b. false
Biology & Microbiology
Which of the following chemical agents has the smell of freshly cut grass?
A) Tabun B) Lewisite C) Phosgene D) Hydrogen cyanide
Biology & Microbiology