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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answer: - few nutrients

high pressure

low temperatures

explanation: 1. few nutrients:   open-ocean zone is located way far from the land, which is the main source of the essential nutrients.2. high pressure: pressure increases by 1 atmosphere for every 10 meters increase in depth.3. ample sunlight: a large fraction of the sunlight is reflected back to the atmosphere from the sea surface. 4. varying salinity: below the thermocline, the water is isolated from the atmosphere so the salinity remains stable over the year.5. low temperatures:   the temperature of open-ocean zone ranges from a low of -2°c to an average of 17°c

answer; atp and nadph;