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Anestetic [448]
3 years ago
6

the human tailbone is an example of a(n) __________. homologous structure analogous structure vestigial structure embryonic stru

cture
Biology
1 answer:
defon3 years ago
7 0
The tailbone is an example of a homologous stucture.
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Why is mutation beneficial to the process of evoloution?
frozen [14]
<span>Many mutations do produce changes in phenotype,I</span>t helps the bodies of the species to re-adapt to more locations and habitats.
8 0
3 years ago
In garden peas the allele for tall plants () is dominant over the allele for dwarf plants() A true breeding tall plant is bred w
marta [7]

Answer: This is called Monohybrid Experiment

Explanation: Monohybrid Cross

P Generation TT     *   tt

  Tall plants     Dwarf plants

F1 Generation  

T T

t Tt Tt

t Tt Tt

In F1 generation;

There are 100% Tt Genotype and 100% Tall plant Phenotype

F2 Generation

F1   *   F1

( Tt   *   Tt )

T t

T TT Tt

t Tt tt

In F2 Generation;

Genotype

There are 25% TT (homozygous dominant, tall plants).

50% Tt (heterozygous tall plants), and

25% tt (homozygous recessive dwarf plants).

This is how dwarf characteristics reappear in the second generation.

The Phenotype of F2 generation is 3:1  (Tall : Dwarf)

I have attached a document to this answer to facilitate effective understanding if there is anormalities in arrangement the Punnet Square.

Download docx
5 0
3 years ago
Ed was in a bicycle accident, he had no sensations in his injured leg. He can move the limb normally. Based on the functional cl
____ [38]
There are two types of neurons in our legs: motor neuron and sensory neuron. These send and receive messages to and from each other and the brain.  

After Ed's accident, he can't move his injured leg since the motor neuron is dysfunctional. The sensory neuron is functional so he can feel his limbs but can't move them since when the sensory neuron sends a message to the motor neuron, it isn't able to deliver the message to the brain to make the leg move. This is why he can still feel his limbs but is not able to move them.  
7 0
3 years ago
(BRAINLIEST)
Varvara68 [4.7K]

Answer: I think it's c im sorry if it's wrong

Explanation: I took the test on Monday

8 0
3 years ago
Read 2 more answers
3. What adaptation of land plants helps it to control gas exchange with the atmosphere?
Alecsey [184]
3) C. Stomata, as I explained in my previous answer.

4) B. Nonvascular, low-hanging plants living in moist environs don't have to fight gravity nearly as much as tall ones do. So they needn't highly developed vessels to transport to their tips

5) B. Gravity, see above. The higher trees/plants grew, the further their apical structures were from ground water sources, so the lignin-supported, strong vascular tissue (phloem) allows the transport of water against gravity, using a capillary method (benefiting from the adhesive effect of water molecules).
6 0
3 years ago
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