Which of the following would tend to produce populations with little genetic diversity?
A. sexual reproduction between different subspecies
B. increasing the size of the population
C. encouraging the immigration of individuals into the population
D. producing a population from two original parents
D. producing a population from two original parents
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A certain type of congenital deafness in humans is caused by a rare autosomal dominant gene. In a mating involving a deaf man and a deaf woman, could all the children have normal hearing? Explain your answer
What will be an ideal response?
In addition to autosomes, what is contained in a human sperm cell?
A) an X chromosome always B) either an X or a Y chromosome C) a Y chromosome always D) both an X and a Y chromosome
If a mutated region on chromosome 15 is inherited from the father, the child will have Prader-Willi syndrome;
however, if the same mutated region is inherited from the mother, the child will have Angelman syndrome. This is an example of: a. epigenetic inheritance. b. genetic inheritance. c. gene amplification. d. eukaryotic operons. e. repressible genesIf a mutated region on chromosome 15 is inherited from the father, the child will have Prader-Willi syndrome; however, if the same mutated region is inherited from the mother, the child will have Angelman syndrome. This is an example of: a. epigenetic inheritance. b. genetic inheritance. c. gene amplification. d. eukaryotic operons. e. repressible genes
Colonization by humans of Australia, the Americas, Madagascar, and New Zealand was soon followed by which of the following events?
A) widespread introduction of agricultural crops B) extinction of a substantial portion of the vertebrate fauna C) extinction of a substantial portion of the insect fauna D) all of the above