100% , if there is a dominate allele present it will be the dominate trait
The best and most correct answer among the choices provided by your question is the fourth choice or letter D.
A male offspring can be afflicted with a Y-linked disease if his father has it.
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Bacteria
Explanation:
Nitrification fixation takes place by nitrogen-fixing bacteria like Azotobacter, Klebsiella, Bacillus etc which convert atmospheric nitrogen gas into fixed-nitrogen compounds like nitrates or ammonium ions for the plants to readily absorb.
The nitrogen fixing bacteria can be free-living like cyanobacteria or live with symbiotic relationship with plants and fungi.
The chemical conversion of di-nitrogen to ammonia takes place with the help of enzymes like nitrogenase in combination with leghahemoglobin, a protein through a reduction reaction.
Answer:
Growth hormone deficiency can result in dwarfism.
Children with this deficiency have abnormally short statue.
Explanation:
Growth hormone deficiency can result in dwarfism when inadequate amounts of growth hormone are produced in the body. Children that have this hormone defieciency possess an abnormal short stature and normal body proportions. This condition occurs when the pituitary gland do not produce enough growth hormone.
Growth hormone therapy in little children have been a subject of great ethical debate. The benefits of this therapy in children may not necessarily provide the means to overcome the short physical or psychological impact. The studies show individual variability in growth response. Growth hormone injections that is needed for treatment require careful consideration by the patient and parents.
If they are both heterozygous, then they both have alleles Bb.
Using a Punnett square, we draw the following:
B b
B BB Bb
b bB bb
Since B is dominant, so only bb will give white fur, i.e. 1 out of four is expected to give white fur.
Probability is therefore 1/4.
