What is the term for chromosomes that do not reshuffle the alleles of linked genes?
What will be an ideal response?
parental chromosomes
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If you repeated the Hershey and Chase experiment designed to determine the molecule of heredity using a virus with RNA as its genetic material, you would expect that
A) 35S-labeled protein would be transferred to infected cells. B) 32P-labeled DNA would be transferred to infected cells. C) 32P-labeled RNA would be transferred to infected cells. D) 32P-labeled RNA would be transferred to phage ghosts. E) 35S-labeled RNA would be transferred to infected cells.
On a biology field trip near campus you observe layers of volcanic rock, eroded mountain rocks, and even rocks apparently formed near an ocean coast. You notice that fossils found within the different rock layers have diverse body forms as a result of their environment. This set of observations tends to support
A. limits to the fossil organism populations, as proposed by Malthus. B. catastrophism, as proposed by Cuvier. C. uniformitarianism, as proposed by Hutton. D. uniformitarianism, as proposed by Lyell. E. microevolution of the organisms, as the environment changed.
Which system functions to maintain blood volume and composition?
a. endocrine b. circulatory c. respiratory d. lymphatic e. urinary
The channel between the bladder and the body surface is the _____.
A. renal medulla B. fallopian tube C. urethra D. ureter E. epididymis