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djyliett [7]
3 years ago
8

Human ears have muscles responsible for ear movements, but they are nonfunctional in most humans, unlike in other primates. This

is an example of which form of evolutionary evidence?
Biology
1 answer:
aleksklad [387]3 years ago
6 0
I believe the answer would be "Vestigial Structures". Hope this helps.
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¿Una especie de considera endémica cuando?
likoan [24]

Answer:

Can you translate your question?

Explanation:

4 0
4 years ago
Both Duchenne muscular dystrophy and color blindness are caused by recessive alleles. DMD, unlike color blindness, nearly always
Ronch [10]

Answer: Although both are X-linked recessive conditions, and therefore more likely in males, with the single X-chromosome. The recessive allele in colour blindness occurs at a higher frequency in the population and is a mild condition. Thus colour blindness does occur to a lesser extent in females because it needs the double recessive condition. DMD is a severe, disabling condition with a limited lifespan, and recessive allele frequency much lower, so the double recessive condition in females is very rare.

Explanation: DMD is an X-linked recessive, “nearly always in males” suggest that it also occurs due to a new mutation or some rare condition e.g. double recessive from an affected father and carrier mother, or inactivation of the normal gene in a heterozygote. It is also found that the defective allele is not completely recessive and that female carriers may exhibit mild to moderate effects.

colour blindness is polygenic, although the genes are all X-linked. It is more common in males than females. Females can carry two recessive alleles and so express the phenotype, but this is uncommon because the frequency of the recessive gene is low.

There are similarities in that both are X-linked recessives, therefore commonly expressed in males, who only have one X chromosome. The gene frequency of the colour blindness recessive is much higher than that of DMD, so the double recessive condition, which affects females, is more likely to be seen with colour blindness. In addition, DMD is a severe condition associated with disability and limited lifespan, which reduces the probability of mating between an affected male and carrier female

6 0
3 years ago
One difference between carbohydrates and lipids is that?
Shalnov [3]
The Difference Between Carbohydrates, Proteins, Lipids and Nucleic Acids. Macromolecules are large molecules within your body that serve essential physiological functions. Encompassing carbohydrates, proteins, lipids and nucleic acids, macromolecules exhibit a number of similarities.
3 0
3 years ago
Read 2 more answers
Which best summarizes the process of protein synthesis?
kirill [66]

Answer:

DNA makes proteins in the nucleus.

5 0
4 years ago
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____________ are neuron fibers that conduct impulses fbers that conduct impuses away from the cell body,
Montano1993 [528]

Answer:

A. axons  

Explanation:

The axon is a part of the neuron that is responsible for conducting electrical impulses from the cell body to another, more distant location, such as a muscle or another neuron. The axons are coated with sphingolipids.

Each neuron has a single axon, which is born from the implantation cone, still located in the pericary region of the neuron; the axons do not branch off abundantly, and when they do they give rise to the so-called collaterals.

3 0
3 years ago
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