Galactosemia is a simple, inherited, autosomal recessive trait. A normal couple has a child affected with galactosemia. The probability that the father of the galactosemic child is heterozygous for the recessive allele a.1/16
b.1/4
c.1/2
d.9/16
e.1

Answer is in the photo. I can only upload it to a file hosting service. link below!

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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.