Answer the following statements true (T) or false (F)
1) Two genes are considered linked when there are more F2 progeny with recombinant genotypes than parental genotypes in the offspring of a dihybrid testcross.
2) Chiasmata are structures that show where recombination occurred between sister chromatids.
3) Chiasmata can be seen through a light microscope and are sites of recombination.
4) A linkage group includes all of the genes on a chromosome, including genes that are so far apart from each other on a chromosome that they assort independently during meiosis.
5) The hypothesis that predicts no linkage between genes is known as the null hypothesis.
1) FALSE
2) FALSE
3) TRUE
4) TRUE
5) TRUE
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As a sign of the reaction to conglomerate control of large chains, the number of independent community pubs in England and local bistros in France are on the rise
Indicate whether this statement is true or false.
Fleshy fruits, such as blueberries, usually aid seed dispersal by ____
a. catching in the hair or feathers of animals b. being buried by animals c. falling directly under the parent plant d. floating away from the parent plant e. being eaten by animals
Which of the following is NOT an autoimmune disease?
a. type I diabetes b. rheumatoid arthritis c. hepatitis d. lupus e. multiple sclerosis
The vast majority of plant species are
a. algae. b. bryophytes. c. gymnosperms. d. angiosperms. e. mosses