Answer: The correct answer is 25%.
As per the question, genetic disorder is caused by recessive allele. This means that that genotype of the person having the recessive disorder is gg.
A dominant allele ( depicted by capital letter like G in this case) always masks the expression of recessive allele.
A recessive disorder will only be caused when the person is homozygous for the recessive allele ( like in this case gg is the genotype that will cause the disease.
In the given question, genotypes of parents is Gg and Gg.
The chances that their children will inherit the disorder is 25%. Refer punnett square.
<u>Answer</u>:
The null hypothesis: the mean egg thickness is 0.2 mm 
The alternative hypothesis: the mean egg thickness is less than 0.2 mm 
In statistics, the null hypothesis states that there is no significant difference between the observed value and the mean thickness. The alternative hypothesis states is the opposite and states the scientist's "idea" behind the experiment. Here, it refers to the fact that due to DDT, the egg shell will be thinner compared to the mean value.
The force, called the "Coriolis effect," causes the direction of winds and ocean currents to be deflected. In the Northern Hemisphere, wind and currents are deflected toward the right, in the Southern Hemisphere they are deflected to the left.
A mushroom is a plant, therefore the cell that it has that is different from animal cells would be chloroplasts. However, mushroom also have a specific cells called "fungal cells" which can only be found in mushrooms and fungus.
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