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Use the graph and the information provided to answer the questions.

Birds sing for a variety of reasons. Male birds sing to attract females. Both male and female birds sing
when making nests, in preparation for the female laying eggs and for young birds to recognize their
parents. In a particular species of bird, the females have evolved to be non-singing. This trait ensures that the nest is not detected by predators. The graph shows the inheritance of this trait through several generations.


1. What would be the percentage of the non-singing trait in female birds in Generation 4 and 5 if this pattern continues?

2. In which generation will there be almost 100% non-singing females if there are no changes in the birds’ environment and actions?

3. In what possible scenario would the female birds evolve to having the singing trait?


Use The Graph And The Information Provided To Answer The Questions Birds Sing For A Variety Of Reasons Male Birds Sing To Attract Females Both Male And Female B class=

Sagot :

Answer:

The percentage of the non-singing trait in female birds in Generations 4 and 5 if this pattern continues will be 80 and 94