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shutvik [7]
3 years ago
14

Use a Punnett square to help answer the question.

Biology
1 answer:
denis-greek [22]3 years ago
6 0
Hm, I thought it would be 0%. . . Since the male (hetero) would be Bb and the female (homo dominant) would be BB, So the dominant gene would be dominant over all of the recessive genes. (BB, BB, BB, Bb). 
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ancestors of giraffes with shorter necks could not reach branches high up in trees for food. this led to selection for longer-ne
hichkok12 [17]

With shorter necks, giraffe ancestors could not reach food-containing branches on tall trees. This resulted in the directional selection of giraffes with longer necks.

 

<h3>Why is choosing a direction necessary? </h3>

It nearly appears obvious that the giraffe's long neck developed as a result of a lack of food in the lower branches of trees. The giraffe has a significant advantage because it is taller than any other mammal and can feed where few others can. 

When compared to modern giraffes, the giraffe's ancient predecessors had a shorter neck. The plants that were lying at a higher level were inaccessible to them. Giraffe phenotypes have changed in various ways, and now have long necks to reach vegetation that is higher up. The extreme form is chosen above other features in directional selection. It was decided to choose the long-necked giraffe over the short-necked.

 

To know more about direction selection for longer necked giraffes visit:

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7 0
1 year ago
The dense area of a cell that contains nucleic acid is the.......
torisob [31]
I think the answer is NUCLEUS.

Hope it helps!
4 0
3 years ago
Read 2 more answers
According to the results for Patient 1 shown above, which antigens were present in Patient 1’s blood? Check all (if any) that ap
soldier1979 [14.2K]

Answer:

A.

Explanation:

Patient 1 has Type A blood because agglutination occurs due to reaction with anti-B. We know that A blood group has antigen A and it is anti-B means that they attack on B type of blood cells while on the other hand, B blood group has antigen B and it is anti-A means that they will attack on the A type blood cells upon mixing. So according to the chart, there is nothing happens by reaction of the blood with anti-A whereas agglutination occur by reaction with anti-B so we can say that the patient has type A blood.

7 0
2 years ago
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The key element in the biological concept of species is that individuals within a species can
Akimi4 [234]
 the key element in the ecological concept of species is that individuals within a species can successfully interbreed and conceive healthy offspring
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3 years ago
Why does recombination between linked genes continue to occur?
sweet-ann [11.9K]

Answer:

I don't know

Explanation:

Refer a guide

6 0
3 years ago
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