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Rudiy27
3 years ago
13

Is it possible for two people to have the same phenotype but different genotypes ?

Biology
1 answer:
Dmitrij [34]3 years ago
3 0

Answer:

Same phenotype but different genotype is possible due to presence of dominant allele

Explanation:

A person can have a dominant allele on both the homologous chromosomes  while another person may have single dominant allele and a corresponding recessive allele.

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Svetradugi [14.3K]

Answer:

c got it right on my quiz

Explanation:

6 0
3 years ago
In a lysogenic infection, the viral dna that is embbeded in a host cell's dna is called a(n)
lutik1710 [3]
The correct answer is prophage. In a lysogenic infection, the viral DNA that is embedded in a host cell's DNA is called a prophage. Prophage is actually a bacteriophage genome that is being inserted into the circular bacterial DNA chromosome.
6 0
3 years ago
Autism is a neurological disorder thought to be caused by mutant alleles of one or more genes. Scientists had been wondering why
Digiron [165]

Answer:

There is an accumulation of genetic mutations in the DNA of sperms due to its constant mitosis.

Explanation:

The germinative cells that will become sperms are under constant mitosis. During this process, DNA mutations can happen and be transmitted from one generation of cells to the other as the years go by, and more cell divisions take place, more mutations the DNA in the sperm will have. When the number of mutations reaches a certain level, his child will express these mutations and have autism.

The egg of the mother is not a factor because the germinative cells in women are not under constant mitosis, so there is not an accumulation of gene mutations. Women are born with an exact number of eggs for all their life.

4 0
3 years ago
Many of the responses to stress are attributed to activation of the sympathetic nervous system and are mediated by
belka [17]

Answer:

Responses to stress are attributed to activation of the sympathetic nervous system and are mediated by adrenal medulla which is the central portion of the adrenal gland.

Explanation:

<em><u>Stress</u></em> is a physical, mental, and emotional response to a <em><u>threat</u></em>, and causes bodily and mental tension. There are different causes of stress, for example, an exam, a divorce, moving from a house, being fired, somebody’s death.

The body’s stress response is mediated by the sympathetic nervous system (SNS), and the hypothalamic-pituitary-adrenal (HPA) system. The SNS is responsible for the neural<u><em> </em></u><em>fight-or-flight response</em> to stress.

In a stressful situation the <u><em>hypothalamus</em></u>, which is in charge of the stress response, sends signals to the pituitary gland and the adrenal medulla. The adrenal medulla secretes the neurotransmitters and hormones adrenaline and noradrenalin to the bloodstream. These hormones get the body ready for a response to stress, by<em> increasing heart biting</em> frequency and strength, i<em>ncreasing blood pressure</em>, <em>stimulating respiration</em>, and <em>dilating respiratory tracts</em>.

Once the threat factor is over, the body gets back into a balanced state.

8 0
3 years ago
Which of these statements is correct? A-The introduction of the research paper specifies the focus, purpose, and plan of the pap
Kaylis [27]
I would think the answer is A because the 1st paragraph would need to introduce the focus, purpose and plan of the paper :)
5 0
3 years ago
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