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Rom4ik [11]
3 years ago
13

Mutations can be both harmful and helpful. Indicate which of these can be caused by a genetic mutation. A) AIDS B) influenza C)

chickenpox D) cystic fibrosis
Biology
2 answers:
pogonyaev3 years ago
6 0

The correct answer is option D

Cystic fibrosis is a hereditary diseases that affects the lungs and digestive system of the human being. The body of such individuals produce sticky and thick mucous clog the lungs and pancreas.

It can be a life threatening disease and people with such disease tend to have shorter life span.

The people can survive till the age of 40 or 50 earlier, children died before reaching the elementary school age.

ira [324]3 years ago
5 0

Cystic fibrosis is a genetic mutation. It is one of the most common genetic diseases in the world. There is no cure for CF.


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(i) Label port A
just olya [345]

Answer:

1) pollen grain (A), stigma (B), pollen tube (C), Ovary (D)

The pollen grain is a male reproductive part while ovary is the female reproductive part.

2) When a pollen grain lands on the stigma of a flower, a pollen tube begins to grow. It grows through the style until it reaches an ovule inside the ovary.

3) The pollen tube is a tube that transports the male gamete cells from the pollen grains to the ovule (female gamete) inside the ovary.

The nucleus of the pollen passes along the pollen tube and fuses with the nucleus of the ovule. This process is called fertilisation.

4) After the fertilisation, female parts of the flower develop into fruit and ovules become seeds.

7 0
3 years ago
A feature of an organism
faust18 [17]
Anything specific? This is pretty vague.

A brain would be my answer. Or do you mean a characteristic? Then I’d pick maintain homeostasis.
8 0
4 years ago
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Masja [62]

Answer:

a. 25%

Explanation:

  • When using a punnet square, both parents will have genotypes (Aa)
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3 0
3 years ago
What role do a society's beliefs play in an objective process like science?
Citrus2011 [14]
The media plays a very important role as a source of information,education and entertainment, whether it is radio, movies or TV. It accommodates the world in to a single village which is saturated of media-information, that cause us to wear what we do, drink what we drink and eat what we eat.
7 0
3 years ago
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What do you mean by Magniferra Indica ? ​
vfiekz [6]

Answer:

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Its a type of mango i taste it it's pretty good

Explanation:

6 0
2 years ago
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