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BARSIC [14]
3 years ago
8

What are the main differences between DNA, Alleles, and Genes?

Biology
1 answer:
patriot [66]3 years ago
3 0
Genes<span> are distinct portions of an organism’s </span>DNA<span> that correspond with a specific trait, while </span>alleles<span> are different versions of a given </span>gene<span>. </span>
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Which is NOT true about pedigrees?
Oxana [17]

Answer:

i think its this one c. They indicate the sex of an individual.

8 0
3 years ago
A very large fire broke out in the Sandia Mountains. Explain how this might affect the different organisms (plant and animal) th
Svet_ta [14]
This can affect the organisms living there because now, their environment is probably different than what they have been living in for a long time, so now they have to adapt to this new environment, and if they don't, the organisms will probably end up dying.
6 0
3 years ago
masteringbio JFor each of the studies described below, indicate if it is hypothesis driven and whether the scientist is employin
juin [17]

Incomplete question. The remaining part of the question read;

Words in the left column:

  • Yes
  • No
  • Observational
  • Manipulative

1. A physiologist incubates eggs in the lab at a range of temperatures to see what temperatures produce males and what temperatures produce females.

2. A biologist predicts that shade might influence ground temperature, and therefore turtle sex ratios. He records the sex ratio of turtle hatchlings in shaded and unshaded regions

3. An ecologist predicts turtles grow larger when no predators are around. She places turtles in an experimental pond system where half the ponds have predators and half the ponds have had the predators removed.

4. A climatologist predicts that concentration of CO2 in a city will be negatively correlated with the amount of wind in that city. He collects data and looks at the amount of CO2 in a city as a function of the wind speed in the city.

5. A sociologist conducts a survey in Hawaii to describe people's attitudes about global climate change.

6. A scientist determines the average wind speed, and variation in the amount of wind, in a number of locations to see which locations would be most suitable for wind turbines

<u>Answer/Explanation:</u>

1. <u>Hypothesis-driven?</u> Yes!

<u>Observational or Manipulative?</u> Observational.

We can make this conclusion here that the physiologists' research is hypothesis-driven since we are told he wanted to <em>"see what temperatures produce males and what temperatures produce females." </em>In other words, he wanted to know whether the temperature used in incubators can influence the sex of an egg by means of observation.

2. <u>Hypothesis-driven?</u> Yes!

<u>Observational or Manipulative?</u> Observation.

3.  <u>Hypothesis-driven?</u> Yes!

<u>Observational or Manipulative?</u> Manipulative.

We can make the conclusion that is the ecologist used the manipulative method in her research since she decided to place the turtles in two different types of ponds; one where half the ponds have predators while in the other the pond the predators have been removed. In other words, she manipulated the independent variables.

4. <u>Hypothesis-driven?</u> Yes!

<u>Observational or Manipulative?</u> Observational.

Note, the use of the word, "predicts" in most instances underscores the tone of hypothesis-driven research, hence we can say Yes! And remember, we are told the researcher "collects data", meaning he is merely observing differences that occur naturally.

5. <u>Hypothesis-driven?</u> No!

<u>Observational or Manipulative?</u> Observational.

<u>6. Hypothesis-driven?</u> No!

<u>Observational or Manipulative?</u> Observational.

5 0
3 years ago
What is likely to happen to a healthy population that is experiencing exponential growth?
vovikov84 [41]
A. it will eventually reach its carrying capacity
8 0
3 years ago
Read 2 more answers
What theory dramatically improved geologist's ability to predict where certain ore deposits were formed? Select one:
mrs_skeptik [129]

Plate tectonics is referred to a geology theory, which explains the movement of earth’s lithosphere.  This theory suggests that the earth’s lithosphere is made up of many plates, and these plates move on each other causing collision of the plates or sometimes separation of the landmasses.  

Sometimes, the movements of the plate occur in such a way that the surface of the earth is buried underground. Even in normal circumstance, some of the surface materials buried underground. So, by studying the type of things existed on the surface in past, one can predict the abundance of a specific substance underground.  

Hence, the correct answer is option b. – Plate tectonics.  


6 0
3 years ago
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