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Artist 52 [7]
3 years ago
7

Sickle cell disease is a genetic disorder that gives red blood cells are crescent shape instead of the typical disc shape.This g

enetic diseases recessive. Have to individuals who have one recessive gene have four children, what percentage of the sale children will show symptoms of circle.
-25%
-100%
-50%
-75%
Biology
2 answers:
Crank3 years ago
7 0
75% of their children will have the recessive trait.
professor190 [17]3 years ago
4 0

Answer:

25 percent

Explanation:

(Took the test)

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If grasshoppers were removed from this food web, which organism would suffer the most, the bird or the baboon?
Mashutka [201]

Answer:

If the grasshoppers are removed from this ecosystem the bird will suffer the most.

Explanation:

On the presented food web we can see a food web that is complex and typical for the African savanna. As in all food webs, one organism is important for the survival of another organism or for the survival of numerous organisms. In this case, we have the grasshopper and its importance in the ecosystem, and which animal will be the most affected if it suddenly was not in this ecosystem anymore.

The bird and the baboon both feed on grasshoppers, but there is one big difference, and that is that the grasshoppers are the primary food source of the bird, while the baboon has other food sources as well. This means that with the grasshoppers being out of this ecosystem, the bird will have a very hard time surviving, and if it doesn't adapt quickly enough to feed on something else it will probably go extinct. The baboon, on the other hand, will be affected but not so dramatically as it will continue feeding on the other food sources, though it might suffer some smaller losses in its population.

7 0
3 years ago
The instructions for building proteins necessary for all life functions are coded within an organism's genetic code. The genetic
Vadim26 [7]

Answer:

Option B

Explanation:

The genetic code utilised by almost every organism are the same, as in the same sequences of codon codes for the same amino acid in almost every organism, thus the genetic code is said to be universal.

3 0
4 years ago
Which is one cause of speciation?​
faltersainse [42]

populations were prevented from interbreeding by geographic isolation

5 0
3 years ago
Which experiment would most likely contain experimental bias?
Ivanshal [37]

Answer:

B. A company that makes pain relief medication tests the effectiveness of their own medicine compared to that of three other brands.

Explanation:

In experimental bias the researcher is more likely to attempt to manipulate or produce results that show their work in a positive outcome. In this case, the company is aiming to perform research on their product that goes against their competitors.

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7 0
3 years ago
If an albino (aa) mates with a person homozygous for normal pigment (aa), select one:
geniusboy [140]
<span>One parent is an albino with the genotype aa (recessive homozygous), while another parent has genotype AA (dominant homozygous). If they mate:</span>  
<span>
Parents aa  x  AA</span> F1 generation: Aa Aa Aa Aa <span><span> 
This means that </span>c. all offspring are normal.</span>
<span>All of them are carriers of the albino allele (a), but albinism is expressed only when there are two recessive alleles.</span>
7 0
4 years ago
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