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ziro4ka [17]
3 years ago
12

Assume that in guinea pigs, dark brown fur (b) is dominant to black fur (b). if you mate a homozygous black guinea pig with a he

terozygous brown guinea pig, what proportion of the progeny will be black?
Biology
1 answer:
stealth61 [152]3 years ago
3 0
50%

    B        b
b (Bb)   (bb)

b (Bb)   (bb)
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How many times does your heart beat during your lifetime? round the answer to the nearest power of 10 and then express your answ
babymother [125]
North component: y = 15.0 m * sin 55.0º = 12.3 m West component: x = 15.0 m * cos 55.0º + 7.00 m = 15.6 m 
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and measured from North is φ = arctan(x/y) = arctan(1.27) = 51.8º W of North 
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7 0
3 years ago
compare the thickness of the wall of the superior and inferior vena cava and the aorta. which is thicker and why???
mariarad [96]

Answer:The wall of the aorta is thicker than that of the inferior venacava; this is because the aorta is the artery that carries blood from the heart from the left ventricle to the whole body (except the lungs), while the superior and inferior venacava are the veins that carry blood from the body to the right atrium. hope this helps !:)

Explanation:

8 0
3 years ago
Which type of dialysis best mimics the kidney’s natural function?
oksano4ka [1.4K]

Answer:

A. Hemodialysis

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Hemodialysis is the method or process of using a dialysis machine (a special machine) to clean the blood.

This is done by doing a minor surgery on the patient to get the blood into the dialyzer.

This dialysis machine does the work a healthy kidney would do.

6 0
3 years ago
A forest has two groups of plants that appear to be very similar both phenotypically and genotypically. The major difference is
Gennadij [26K]
The basics would be that you'd need to find out if they could exchange genetic information. If not, they couldn't be considered part of one species. Set-up 2 artificial environments so both groups would produce pollen at the same time. Fertilise both plants with the other's pollen. Then fertilise the plants with pollen from their own group. 
Count the number of offspring each plant produces. 
If the plants which were fertilised by the opposite group produce offspring, they are of the same species. You can then take this further if they are of the same species by analysing if there is any difference between the number (and health) of offspring produced by the crossed progeny and by the pure progeny. You'd have to take into account that some of them would want to grow at different times, so a study of the progeny from their first sprout until death (whilst emulating the seasons in your ideal controlled environment). Their success could then be compared to that of the pure-bred individuals. 
Make sure to repeat this a few times, or have a number of plants to make sure your results are accurate. 
Or if you couldn't do the controlled environment thing, just keep some pollen one year and use it to fertilise the other group. 
I'd also put a hypothesis in there somewhere too. 
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5 0
3 years ago
Pepto Bismol and Milk of Magnesia are products that people can take when they have an upset stomach, usually caused by excess st
Lena [83]

These products are designed to coat the gastric tissues and protect it from the acidity of the stomach or gastric secretions.

<h3>What are Pepto Bismol and Milk of Magnesia?</h3>

Pepto Bismol is made up of mainly Bismuth subsalicylate which has the ability to coat the mucosal surface of the gastric tissues.

Milk of Magnesia contains antacid that helps reduce the acidity of the stomach.

Therefore Pepto Bismol and Milk of Magnesia can be taken when people have an upset stomach.

Learn more about gastric tissues here:

brainly.com/question/5070089

#SPJ1

7 0
2 years ago
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