A test cross is performed on a purple flower with an unknown genotype. The results of the cross are 50% purple and 50% white flowers. White flowers are a recessive trait. What is the genotype of the original purple flower?

A. describe the model of urban structure most often observed in mega-cities in developing countries. explain how this model differs from common urban structures in north america. b. describe at least two factors leading to the growth of mega-cities in developing or least-developed countries. c. identify and explain two factors that led to the formation of squatter settlements in mega-cities in developing countries.

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Ineed an answer for this one (number 8)