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Kisachek [45]
3 years ago
7

Which of the following is an example of microevolution?

Biology
1 answer:
ki77a [65]3 years ago
8 0
I believe the answer would be: a population to birds with red feathers slowly changes to having blue feathers. Microevolution is when a evolutionary change in a n species or small group of organisms especially over a short period.
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A blue-eyed, left-handed woman marries a brown-eyed, right-handed man who is heterozygous for both of his traits. if blue eyes a
Juliette [100K]
If you look at a Punnet square of this, you can determine the possible phenotypes. Lets assign B for brown eyes, b for blue eyes, H for right hand and h for left hand. 

The mother is blue eyed and left handed which are both recessive traits. This means that her genotype would be bbhh. Now the father is heterozygous for both, which means he has a dominant and recessive allele for each trait. His genotype would then be BbHh

The Punnet square should look like the table below:

Mother:bbhh
Father:BbHh

         bh          bh        bh        bh
BH  BbHh    BbHh    BbHh   BbHh   
Bh   Bbhh     Bbhh    Bbhh    Bbhh
bH   bbHh     bbHh    bbHh    bbHh
bh   bbhh      bbhh     bbhh     bbhh

Based on the Punnet square, you have 4 possible genotypic combinations and 4 possible phenotypic combinations.

BbHh: Brown-eyed, right-handed
Bbhh:  Brown-eyed, left-handed
bbHh   Blue-eyed, right handed
bbhh    Blue-eyed, left-handed

5 0
3 years ago
An individual may suffer from ________ if there is a disruption in the brain signals that are sent to the muscles that regulate
Mrrafil [7]

The central sleep apnea is a condition, in which the person rapidly stops and starts breathing during the sleep.  

The condition of the central sleep apnea is due to the change in the signaling pattern during the time of sleep. During this process, the respiratory centers present in the brain do not respond well and sometimes do not send signals to the muscle responsible for respiration.

Hence, the given blank can be filled with central sleep apnea.


3 0
3 years ago
Approximately what percentage of practicing veternarians work as large animal veternarians in the united States
uysha [10]

Answer:

Approximately 7%

Explanation:

I found this answer in an article from around 2015 so it should probably be higher since the demand for large animal vets is higher currently

4 0
2 years ago
A student is designing a controlled experiment to test whether the amount of water that a plant receives affects its growth. Whi
MA_775_DIABLO [31]
The amount of water should be changed by the student
5 0
3 years ago
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The development of refrigeration and frozen-food technology has benefited society in different ways. Identify two ways in which
skelet666 [1.2K]

Answer:

The development of refrigeration and frozen-food technology has benefited society in the following ways.

1) Refrigerator helps the people to protect the food substance from the infection of microorganisms such as bacteria and fungi.

2) Refrigerator helps in increasing the shelf life of many food materials. Some food substance have very short shelf life which can be increased by placing in the refrigerator.

Chicken sausages, nuggets and meat boll are the products that developed because of frozen -food technology.

3 0
3 years ago
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