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2 answers:
Answer: Option (a) is the correct answer.
Explanation:
Specific heat is defined as the heat energy necessary to raise the temperature of a 1 kg of substance by one degree celsius.
For example, specific heat of water is 4.18 J
Whereas heat of vaporization is the energy absorbed at a certain temperature to convert a unit mass of a substance from liquid to vapor state.
Hence, we can conclude that Sascha is observing the property that water has a high specific heat capacity.
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Answer: There re two different types of phenotypes in the offsprings that is Round yellow and Round green.
Explanation-
As per the Mendelian inheritance, Round shape and yellow color of pea are dominant over wrinkled shape and green color of pea.
According to the question, genotypes of parents are- RrYy ( heterzygous for round and yellow) and RRYy ( homozygous for round and heterozygous for yellow).
The first parent can produce four different gametes that is RY, Ry, rY, ry whereas the second parent will produce only two types of gametes that is RY and Ry.
When they are crossed, they will produce two different phenotypes in the offsprings.
Refer punnett square.
