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Julli [10]
3 years ago
12

Living things use many strategies for producing offspring, but most strategies fall neatly into the categories of either sexual

or asexual reproduction. Asexual reproduction involves a single parent. It results in offspring that are genetically identical to each other and to the parent. All prokaryotes and some eukaryotes reproduce this way. Sexual reproduction involves two parents. During sexual reproduction, parents produce reproductive cells, called gametes, that unite to form an offspring. Gametes are haploid cells. This means they contain only half the number of chromosomes found in other cells of the organism. The chromosomes sort randomly during the process of meiosis, each gamete receiving half the chromosomes from each parent. Gametes are united during the process of fertilization. Either type of reproduction will result in the continuation of a species, but one method results in genetic variation as well. Which of these is NOT a reason why sexual reproduction better serves survival of the fittest and evolution of a species. A) Sexual reproduction increases the likelihood that a mutation might take place in an organism's DNA. B) Sexual reproduction may reduce the chances of inheriting a genetically inherited disease of condition. C) Random assortment of chromosomes increases genetic variation. An organisms may get traits that aid in survival. D) Genetic variation may aid in removing undesirable traits or weakness from a population and therefore aids in natural selection.
Biology
1 answer:
Andru [333]3 years ago
4 0

Answer:

B

Explanation:

Sexual reproduction does not eliminate or necessarily reduce inheritable diseases or abnormalties.

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This is worth 100 points. Please answer and do not skip over this question.
ololo11 [35]

Answer:

I would predict that the the following generation will have a large amount of pups that are eaten by the sharks.

This question seems like its asking about natural selection.

"Natural selection is the process when organisms better adapted to their environment tend to survive and produce more offspring"

Explanation:

If the marine biologist did not give the pups medicine in the first generation, the pups that were less fit or not adaptive to the enviroment to naturally survive the infections would have died. This would have prevented these pups from passing on their genes.

The next generation would consists of pups that are more immune to the sickness or more fit for their enviroment and might experiece less pups to die.

3 0
3 years ago
In the family pedigree the majority of individuals that are colorblind are which gender? This is a good indicator that colorblin
irakobra [83]

Answer:

The 'gene' which causes (inherited, red and green types of) colour blindness is found only on the X chromosome. So, for a male to be colour blind the colour blindness 'gene' only has to appear on his X chromosome. For a female to be colour blind it must be present on both of her X chromosomes.

Explanation:

4 0
3 years ago
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shtirl [24]

Answer:

D

Explanation:

Hope this helps

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3 0
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Rama09 [41]
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