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garri49 [273]
3 years ago
15

Could artificial selection occur without inherited variation?

Biology
1 answer:
Sidana [21]3 years ago
5 0

Answer:

Artificial selection cannot occur without inherited variation.

Explanation:

Artificial selection is the *process of breeding animals and cultivating plant which have certain desirable inherited characteristics*. It is an intentional way of selection,it is different from natural selection.

In Artificial selection, Animals bred or plants that are cultivated at home garden do not occur exactly the way they are in the wild. They are the result of many centuri of selection process by humans. Man has stipulated such plants/Animal by *selecting out undesired characters to ensure higher yields of resistance*, wherefore inherited traits(variations) are used in the selection process.

*Artificial selection cannot occur without inherited variation because the inherited traits/variation could be adaptations that will help the specie to survive*.

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Why is the nervous system referred to as a communication system?
Anna35 [415]
The nervous system is referred to as a communication system because it carries messages to and from all parts of the body.


7 0
3 years ago
For each population description, identify which Hardy-Weinberg assumption is violated?
zavuch27 [327]

Answer:

4. A large and isolated population of squirrels in a relatively stable environment in which no genetic mutations are occurring and mating between males and females is random.

Explanation:

1. A small and isolated population of seals living in a stable environment with no genetic mutations.❌

1. false

Hardy-Weinberg assumption is not violated for a small population as seen in this case.

2. A large population of fish where females mate with males based on size.❌

false

Hardy-Weinberg assumption is not violated for an instance where mating is not random as seen in this scenario.

3. A population of birds with no genetic mutations that often mate with members of neighboring bird populations.❌

False

Hardy-Weinberg assumption is not violated for where gene flow is seen among population in this scenario.

4. A large and isolated population of squirrels in a relatively stable environment in which no genetic mutations are occurring and mating between males and females is random.✔

True

Hardy-Weinberg assumption is violated for in this situation due to large population size.

5. A small population of spiders living in an environment that strongly favors larger individuals.❌

false

Hardy-Weinberg assumption is violated for a small population and natural selection occurring as its obvious in this case.

There are five primary Hardy-Weinberg assumptions:

A. no mutation,

B. random mating,

C. No gene flow,

D. infinite population size,

E. No selection.

If the assumptions are exempted in a gene, the population of that gene might undergo evolution causing a resultant change in the gene's allele frequencies.

5 0
3 years ago
PLEASE HELP ME ASAPPPPPPP
nevsk [136]

Answer:

hope i helped but i think its b or d

Explanation:

4 0
3 years ago
Read 2 more answers
A single pair of goldfish in an aquarium produced a large number of offspring. These offspring showed variations in body shape a
vagabundo [1.1K]
The most likely explanation for the variation is the offspring were produced from different combination of genes. A single pair of gold fish mentioned in the question means a male and a female gold fish. The two of them mated and contributed different genes to the fertilized fish eggs, this results in production of various body shape and colouration which is known as variation.
4 0
3 years ago
Question 6 of 10
Marizza181 [45]
The answer should be A.
4 0
3 years ago
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