Except for the regions at its tips where it is homologous to the X chromosome, genes on the Y chromosome:
A. are completely linked.
B. are mostly completely linked, but a few
exhibit independent assortment.
C. are mostly completely linked, but a few
exhibit random segregation.
D. may or may not be linked; it just depends
on how far apart they are from one another.
E. may or may not be linked; it just depends
on the individual alleles of the gene.
A
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Cleavage is indicated by the letter ____
a. A b. B c. C d. D e. E
Which of the following is NOT true of the
poouli? a. It is a honeycreeper. b. It is endangered. c. It is an outlying member of its group. d. It is morphologically distinct from others in its group. e. All of these are true
One of the possible concerns about genetically modified foods is that they might kill organisms that we don't want to kill. Which of the following is an example of this phenomenon?
a) Featherless chickens have become prey to more animals than feathered chickens. b) Genetically modified super-sized salmon have been known to kill the bald eagles that generally feed on them. c) The pollen from plants containing insect-killing Bt genes can be blown onto other plants. Insects that we don't want to kill, such as monarch butterflies, may be killed by such pollen. d) Bears eating genetically modified corn may be poisoned by the Bt gene introduced to the corn to act as a pesticide. e) In the Irish Potato Famine, more than one million people died as a result of the lack of genetic diversity in the potato crop.
The interactions between microbes in a guild are constantly changing.
Answer the following statement true (T) or false (F)