A pleiotropic gene is a genes which determines the multiple traits.
Pleiotropic gene is a single gene which controls more than one phenotypic trait.
Sickle cell allele is an example of the pleiotropic gene.
Pleiotropy was first discovered by Gregor Mendel. Gregor Mendel is known as the Father of the Genetics.
Types of pleiotropy are:
Gene pleiotropy: focused on the number of traits and biochemical factors impacted by a gene.
Developmental pleiotropy: mainly focuses on mutations and their influence on multiple traits.
Selectional pleiotropy: focuses on the number of separate fitness components affected by a gene mutation.
Antagonistic pleiotropy: mainly focuses on the prevalence of gene mutations that have advantages early in life and disadvantages later in life.
More examples of pleiotropic gene are:
Sickle cell anemia: It is a mutation in beta-globin chain results in changes in blood shape and function.
Phenylketonuria: PKU is caused by a mutation of the gene responsible for the production of an enzyme called phenylalanine hydroxylase.
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She should redraw her graph as a line graph because she was measuring a rate of change and is therefore denoted as option B.
<h3>What is Graph?</h3>
This is referred to as a pictorial representation of data or variable in an organized or definite manner.
A line graph is a type of graph comprises of points which are usually connected by a straight line and it is used to show how different types of variables change over a given period of time. The slope of the line graph provides information about the rate involved.
Anjuli was told to redraw her graph as a line graph because the rate of respiration of yeast is what is to be determined and will provide sufficient information about it which is therefore the reason why option B was chosen as the most appropriate choice.
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The full question is:
Anjuli performed an experiment to determine the respiration rate of yeast. She determined this by measuring the amount of carbon dioxide (CO2) that was produced. Then, she created the following graph. Her teacher suggested that she redraw her graph as a line graph. Why should she redraw the graph?
- A line graph looks better in a scientific report.
- She was measuring a rate of change.
- She had graphed the wrong relationship.
- Her experiment had many different variables.
Answer:
Hi
The answer is:
Thiamine, Adenine, Guanine, Cytosine
Explanation:
These four are the nitrogenous bases that are integral components of the DNA molecule. These along with phosphates and deoxyribose sugar make up the DNA molecule. The Adenine always pairs with the Thiamine base, and the Guanine always pairs with the Cytosine base in a DNA molecule, through hydrogen bonds.
Hope this helps!
Synapse
A synapse is a junction where there is a small gap between the neurons.The synapse permits the flow of electrical or chemical signals from neuron to neuron, allowing these neurons to communicate and pass information among themselves.
The chemical synapse converts the electrical signal to a chemical response by releasing chemicals called neurotransmitters, which are received by receptor sites in the other neurons. The electrical synapse allows the flow of ions from one neuron to another to pass the electric current or signal.
Answer:
Long before Darwin and Wallace, farmers and breeders were using the idea of selection to cause major changes in the features of their plants and animals over the course of decades. Farmers and breeders allowed only the plants and animals with desirable characteristics to reproduce, causing the evolution of farm stock. This process is called artificial selection because people (instead of nature) select which organisms get to reproduce.