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Olegator [25]
3 years ago
7

How many chromosomes are in a gamete cell (egg or sperm) in a fruit fly?

Biology
1 answer:
Mrrafil [7]3 years ago
5 0

Answer:

4 chromosomes

Explanation:

Scientists often study fruit flies because they have large chromosomes whose genes are easy to see. Every body cell of a fruit fly has 8 chromosomes. Every fruit fly gamete (sperm or egg) has 4 chromosomes.

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If you were to repeat the Meselson Stahl experiments, but rather than use N15 and N14, you use P32 and P31, how would the result
bonufazy [111]

Answer:

The correct answer will be option-C

Explanation:

The CsCl gradient centrifugation in Meselson Stahl experiments is done to separate the bands of the DNA containing isotopes on the basis of difference in the density.

In the experiment, bacterial cultures were grown in the medium of 15N and 14N but if we repeat the experiment with P32 and P31 instead of 15N and 14N and centrifugation is performed then the banding pattern will be the same as of the previous experiment as the method of the replication is same that is semi-conservative.

Thus, Option-C is the correct answer.

4 0
3 years ago
Difference between emphysema and chronic bronchitis
Luba_88 [7]
The difference is that emphysema and chronic bronchitis are different types of chronic obstructive pulmonary disease (COPD).  <span />
5 0
3 years ago
How do the bonding properties of carbon atoms result in the large variety of carbon based molecules in living things
Elden [556K]
Carbohydrates dissolve in water and lipids don't. Explain how the bonding properties of carbon atoms result in the large variety of carbon-based molecules in living things<span>. </span>Carbon atoms<span> are able to form 4 </span>types<span> of covalent bond which ends up as molecules</span><span>.</span>
7 0
3 years ago
What does a heterotroph mean?
Lelu [443]

Answer:

An animal that cannot make its own food.

Explanation:

A heterotroph is an animal or life source that cannot make its own food, so it depends on others things, such as plants or other animals. These types of listings can be as followed :

Carnivores

Herbivores

Omnivores

7 0
3 years ago
How much force is needed to accelerate a 200 kg skier at 2 m/sec2?​
olganol [36]

Answer:

400 Newtons.

Explanation:

F=m*a

m = 200 kg

a = 2 m/s^2

F = 200 * 2

F = 400 N  

6 0
3 years ago
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