The answer is sympathetic nervous system. Sympathetic nervous system is usually activated during sexual intercourse as a result of fear or anxiety and its activation leads to premature ejaculation in males and lack of lubrication in females.
Maria must be suffering from cystic fibrosis because all the given symptoms are symptoms of this disease. There might be other symptoms that her parents might have missed.
<u>Explanation:</u>
Wheezing, salty skin and low weight gain etc are the most evident symptoms of cystic fibrosis. Cystic fibrosis is a genetic disorder that is inherited in an autosomal recessive manner. The disease mainly affects the lungs but it can also affect the liver, pancreas and kidney.
Sweat test and genetic testing are some of the diagnostic methods of cystic fibrosis. Greasy bowel movement is also a symptom of cystic fibrosis which Maria’s parents might have missed.
Both the temperature and the pressure increase.
Answer:
The cross of a heterozygous fly with a homozygous fly can be shown as follows:
r r
R Rr Rr
r rr rr
The results show that there is a 50% probability that the flies produced will have red eyes. Their genotypes will be heterozygous.
The results of the punnet square show that there will be a 50% probability that the offsprings will have brown eyes. Their genotype will be homozygous recessive.
A homozygous trait can be described as a trait which has same alleles for the gene which encodes the trait. Heterozygous means that both the alleles for the trait will be different.
