D) increased balsam fir population
<h2>Question no.6:</h2><h3>Answer:</h3>
The correct answer is <u><em>option B which is there 25% chances of having the pomp disease.</em></u>
<h3>Explanation:</h3>
According to the given information given in question both the Julia and her husband are carriers. Due to which there are three genetic probabilities of their child:
- Normal kid with both healthy alleles: 25%
- Carrier healthy child with one healthy and one defective gene: 50%
- Child with pomp disease having two defective genes: 25%
<h2>Question No. 7:</h2>
The correct option is <em><u>A which is symptoms will appear before the age of nine months.</u></em>
<h3>Explanation:</h3>
In this disease, there is low production of an enzyme acid α-glucose, which degrades lysosomal glycogen. In the absence of enzyme lysosomal glycogen accumulates and results in the weakness of muscle especially related to breathing. This leads to early onset of disease symptoms and early death usually in infancy in case of having both defected genes.
<h2>Question No. 8:</h2><h3>Answer:</h3>
- The DNA of chromosome no. 17 of a normal person has a gene GAA and the pomp offspring will have the defected gene. Like the nucleotide sequence of the gene will be changed.
- At cellular level in pomp, there will be an accumulation of lysosomal glycogen.
- The muscles which are involved in breathing do not work properly leading to low breathing rate or completely blocking the respiration.
- This is a genetic problem which can not be fixed.
- There is no cure for this disease because it affects intracellular metabolism which is not easy to cure by enzymes supplements.
Answer:
Tectonic forces, underwater volcanoes and glaciers,ocean waves and stream act as an agent of erosion are some examples of constructive forces that shape Earth's surface. Explanation: Earth is a dynamic and ever-changing planet.
Explanation:
Answer:
The difference in the concentration of a substance between two areas is called the concentration gradient . The bigger the difference, the steeper the concentration gradient and the faster the molecules of a substance will diffuse. The direction of diffusion is said to be 'down' or 'with' the concentration gradient.
Explanation:
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