A cell's DNA molecules contain its genetic material. An offspring born with altered DNA due to radioactivity, cosmic rays, or errors in reproduction
a. is called a mutant.
b. is called a new species.
c. is more likely to survive than if its DNA were not altered.
d. is no different than if its DNA were unchanged.
e. will never be able to reproduce itself.
a
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Hershey and Chase demonstrated that DNA was the genetic material using
A) poodles in microwave ovens. B) hamsters and a blender. C) frogs and a dishwasher. D) viruses and a blender.
Seeds are mature
a. anthers. b. ovaries. c. ovules. d. carpels. e. pollen sacs.
Muscles produce and resist movement
Indicate whether the statement is true or false
During meiosis, a hexaploid hybrid spontaneously eliminates one set of chromosomes (eliminates 1n). What is the most likely result of this deletion?
A. The hybrid will be able to reproduce with one of the parental species. B. The hybrid will be able to reproduce only by self-fertilization. C. The hybrid will no longer be polyploid. D. The hybrid will no longer be able to reproduce.