If two genes are on the same chromosomes and we look at a dihybrid cross between two heterozygous parents, will we see a pattern of 9:3:3:1? Why or why not?
What will be an ideal response?
No. Because the genes are linked, there will not be independent assortment.
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Mutations
a. can be beneficial. b. can be harmful. c. can be neutral. d. can be beneficial, harmful or neutral. e. can evolve within an individual.
The orderly pattern of gathering and analyzing information in science is called: a. the scientific method
b. a hypothesis. c. inductive reasoning. d. deductive reasoning.
A color-blind man and a woman with normal vision whose father was color blind have a son. Color
blindness, in this case, is caused by an X-linked recessive gene. If only the male offspring are considered, the probability that their son is color-blind is a. 25 percent. b. 50 percent. c. 75 percent. d. 100 percent. e. 0 percent.
Which of the following reproductive technologies would produce the greatest complications in defining the individuals who are considered the parents of the child?
A. gamete intrafallopian transfer B. artificial insemination by donor C. intracytoplasmic sperm injection D. in vitro fertilization E. using a surrogate mother