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Dmitriy789 [7]
3 years ago
12

The harmonic law would suggest that Neptune will take _____ to orbit the Sun than Mercury.

Biology
1 answer:
Bogdan [553]3 years ago
8 0

Answer: A longer amount of time

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A woman produces an egg with 24 chromosomes, including 2 copies of chromosome 21. If the egg is fertilized by a normal sperm, th
Zielflug [23.3K]

Answer:

47

Explanation:

We all know that gametes like egg cell and sperm have haploid set of chromosomes but here as per this question she has produced 2 copies of chromosome 21. For the sake of maintaining haploidy, she was supposed to have only a single copy of chromosome 21 as a result of which her egg cell was supposed to have 23 chromosomes not 24.

But, this is a case of non dis-junction. Also, in a normal sperm there are no such copies of any chromosome i.e. there is a haploid set of chromosomes. It means that sperm must be having only 23 chromosomes. So we can easily infer that when the egg cell and sperm will fuse, the zygote will have 47 chromosomes (24 from egg cell and 23 from sperm).  

6 0
3 years ago
What results would you expect if you were completing a blood type test on B- blood? Explain.
Zarrin [17]

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that depends on what you were testing for but is it always good for it to come up negative for any diseases

Explanation:

8 0
3 years ago
Question 8 (1.25 points)
tester [92]

Answer:

i believe the answer would be d, all of the above

Explanation:

all are questions relating to gene variability of a species, which would be what the population geneticist would specialize in. the scientist must ask questions and then conduct research. i hope that helps :) have a lovely week

4 0
3 years ago
The digestive system takes in nutrients and breaks down these nutrients for energy. The solid waste products that are generated
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By the excretory system through the large intestine
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The process whereby phosphorus is drained away into ground water is called
Vera_Pavlovna [14]

Answer:

When soluble soil nutrients from the soil are washed away due to to effects of rain,floods or irrigation from agricultural practices the process by which this occurs is called LEACHING. As water molecules pass through different soil layers,soluble soil minerals are dissolved and carried by the water  into the ground water.

Phosphorus is a soluble mineral which  is easily carried away by the passing water molecules,and therefore drained from plants' roots.

if these were leached  into rivers and drinking water,this may affect the water supply of the community as the percentage of Phosphorus increases in the water especially if  NPK fertilisers were used.

In addition, some important solid nutrients are also leached into the underground soil layer leading to deficiencies in the plants.

Explanation:

6 0
3 years ago
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