Question 1 In humans, the ABO blood system is controlled by three alleles: 14, 18, and i. Betsy and Bob have two children named
Billy and Belle. Betsy has type A blood and Bob has type B blood. Billy's blood is type AB, but Belle's blood type is
type 0. Use a Punnett Square to answer the questions below.
I
1a. What is Betsy's genotype for her blood type?
1 point

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's

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human impact on the environment can be seen in the deterioration of the !

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stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms