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Mashcka [7]
3 years ago
12

Certain gene mutations can cause genetic disorders. However the same gene can also have a positive effect. The genetic mutation

that led to sickle cell anemia can also give its carriers protection from which of the following diseases?
A.
strep throat
B.
Type I diabetes
C.
malaria
D.
hemophilia
Biology
2 answers:
N76 [4]3 years ago
8 0
B is the correct answer
umka21 [38]3 years ago
8 0

Answer:

its malaria

Explanation:

I got it wrong and it showed me that it was malaria

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If an Arctic polar bear is transferred to a zoo in tropical Singapore, it will not be able to survive. What could be the reason
andrew11 [14]
A, because its thick fur is designed to keep it warm, it would over heat and unfortunatly die
6 0
3 years ago
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A particular species of butterfly lays its eggs on only one type of lupine flower. What would be a likely result if pesticides s
marissa [1.9K]

Answer:2 the lupine dependent butterflies would disappear.

If the spraying of pesticides will remove all the insects then there will be no insect that will pollinate the lupine flowers. So this will cause removal of lupine species from the environment. And the lupine dependent butterflies will not be able to release their egg on these specific flower and will also disappear from the environment.

The removal of lupine flower from the environment will lead disappearing of these lupine dependent butterflies.

8 0
2 years ago
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If a pea plant that is herterozygous for rounds, yellow peas is crossed with a pea plant that is homozygous for round peas but h
Keith_Richards [23]

Answer: There re two different types of phenotypes in the offsprings that is Round yellow and Round green.

Explanation-

As per the Mendelian inheritance, Round shape and yellow color of pea are dominant over wrinkled shape and green color of pea.

According to the question, genotypes of parents are- RrYy ( heterzygous for round and yellow) and RRYy ( homozygous for round and heterozygous for yellow).

The first parent can produce four different gametes that is RY, Ry, rY, ry whereas the second parent will produce only two types of gametes that is RY and Ry.

When they are crossed, they will produce two different phenotypes in the offsprings.

Refer punnett square.


7 0
2 years ago
Osteoporosis is a disease that affects the bones and leads to an increase in bone fractures. Osteoporosis is most likely to be a
diamong [38]
<span>Osteoporosis is most likely to be affected by : Phosporus cycle.
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3 0
2 years ago
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T/F. Autonomic ganglia are sights of synapse and information transmission from preganglionic to postganglionic neurons.
inessss [21]

Answer:

<u>True</u>

Explanation:

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1.<u>Autonomic Nervous System</u>

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It is composed of<u> preganglionic neurons</u> and <u>postganglionic neurons</u>. <u>The axons of preganglionic neurons synapse on the cell bodies of postganglionic neurons. </u>

Autonomic ganglia of sympathetic nervous system form the paravertebral ganglia (long chains on either side of spinal cord) and autonomic ganglia of parasympathetic nervous system are located close to the organ which the fibers innervate.

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4 0
3 years ago
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