In peas, the yellow seed color is dominant (YY or Yy) over the green seed color (yy). You have been given a plant that only produces yellow seeds and need to determine if the plant is YY or Yy. Which of the following crosses would be most effective for determining the genotype of your plant? a) your plant x a plant that produces only green seeds
b) your plant x another plant with known genotype YY
c) your plant x another plant with known genotype Yy
d) no cross is necessary.

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Explanation:

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correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.