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Student Assessment Science Biology Form 2
Which question can Seung-hyun best answer using the karyotype?
A Which genes are affected by the disorder?
B How can the damaged DNA be repaired to fix the disorder?
C How many base pairs are deleted in people with the disorder?
D Which missing chromosome causes the symptoms of the disorder?

Read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. applying the biological species concept, the sterility of ligers reveals that a. lions are probably a subspecies of tigers b. tigers and lions are the same species c. a new species called "ligers" is forming d. tigers and lions are separate species

How does a lytic infection differ from a lysogenic infection?

Lupe is a carrier for color blindness. her husband clifford is colorblind. if lupe and clifford have four children, what's the probability of a boy being colorblind?