How does biology diversity is increased by process of Spocation?

1 answer:

3 0

Answer: In eukaryotic species—that is, those whose cells possess a clearly defined nucleus—two important processes occur during speciation: the splitting up of one gene pool into two or more separated gene pools (genetic separation) and the diversification of an array of observable physical characteristics (phenotypic ...

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A student is running a test for simple sugars. She places 5 mL of each substance into different test tubes and adds five drops o

Dafna1 [17]

Answer:

Yes, there would be no sugars present in any of the solutions as no colour change was depicted.

Explanation:

Benedict's solutions can be described as a solution comprising of copper(II) sulphate, sodium carbonate and sodium citrate. This reagent is used for testing the presence of carbohydrates or reducing sugars in a solution.

A series of colour changes is seen in the Benedict's test if a solution has sugars present in it. Initially, the colour is changed from blue to green, then orange/yellow. And in the end, the solution acquires a brick red colour.

In the scenario discussed in the question, no colour change is depicted in any of the test tubes. Hence, there would be no sugar present any of the solutions.

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3 years ago

Which of the following is NOT something an athlete needs in a healthy diet?

tamaranim1 [39]

Answers: option b. supplements

Explanation:

Supplements are only needed when you have a special defficiencies on your intake of nutrients on as consequence of an organic disorder.

Healthy athletes who are on a balanced diet are already having all the vital nutrients, needed from their diet.

Athletes with intense activity do need vitamins, carbohydrates and fats which are on the regular diet: fruits, vegetables, carbohydrates and fats. Eating healthy provide you the nutrients your organism needs to obtain energy and create the muscles to perform well as athlete.

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3 years ago

You are studying 5 genes: a, b, c, d, and e. In an attempt to map them, you perform a series of two-point crosses with the resul

ZanzabumX [31]

Answer:

Gene order will be- a,d,e,b,c

Explanation:

Gene mapping refers to the arrangement of genes on the chromosomes. The genes can be mapped on the chromosome by calculation the recombination frequency in the hybrid crosses.

The recombination frequency can be represented on the chromosomes to show the distance between the genes which is measured as centimorgan. 1 percent recombination is considered 1 cM.

In the given question, since the distance between the gene has been provided therefore the genes can be mapped on the chromosome.

This could be done in the following manner-

1. Take the highest value of distance- 21 m. u between a and c.

2. Now take c as a reference point and arrange the other distance measuring distance from the c.

3. On this basis- c-d, c-e and b-c can be plotted.

4. Now, plot other values taking an as a reference point and plot the values b-e, a-b, a-d.

5. the genes will be arranged in the order a,d,e,b,c.

Thus, a,d,e,b,c is the correct answer.

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3 years ago

The chromosomes are made up of ______________

andriy [413]

The chromosomes are made up of one long strand of DNA.

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3 years ago

The following atoms are all variations of the element carbon: 12C, 13C, and 14C due to differing numbers of neutrons. What are t

liberstina [14]

These are called ISOTOPES

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3 years ago