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Vanyuwa [196]
3 years ago
5

Should we put animals to unnatural and painful situations in the pursuit of knowledge

Biology
1 answer:
Tom [10]3 years ago
3 0
No if we really wanna know what animals can do is we learn and see how organism adapt to their natural environment
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Phenylketonuria (PKU) is an autosomal recessive disorder where afflicted individuals are incapable of metabolizing the amino aci
zvonat [6]

Answer:

25%

Explanation:

Let's assume that the recessive allele "p" imparts diseased conditions in the homozygous genotypes. The genotype of each of the carrier parents would be "Pp". A cross between Pp and Pp would produce progeny in the following phenotype ratio=

Pp x Pp= 3/4 Normal : 1/4 Affected.

Therefore, there are 1/4 or 25% chances for this couple to have a child with PKU.  

8 0
3 years ago
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Explain the difference in the relative concentrations of oxygen and carbon dioxide in the blood vessels entering and leaving the
Readme [11.4K]

Answer:

When entering, oxygen is high and carbon dioxide is being produced, when exiting carbon dioxide is being exhaled into the air

Explanation:

8 0
2 years ago
Please HELP!! Place the events 1 to 7 in order of how they happen during speciation.
hoa [83]

Answer:

6, 3, 4, 5, 7, 2, 1

Explanation:

Here, speciation occurs because the original butterfly population gets separated into two populations, each facing a different set of environmental conditions. Initially, there was just a single population of butterflies in the valley and all butterflies were able to mate with each other. A fire destroyed their habitat so they had to migrate to other areas. Some butterflies migrated to eastern side of mountain and some to western side of mountain.

Now there were two butterfly populations and they faced different environment from each other. Over the time, the populations adapted to their local surroundings and started to accumulate changes in their genome. Their gene pools started to separate from each other. Eventually they evolved into two different species. When their old habitat was restored in the valley, they returned once again. However, this time they were not able to interbreed because they were now two different species.

3 0
3 years ago
Which of the following would be produced by meiosis?
disa [49]
Today in Biology my teacher discussed about Meiosis & sperm cells the other choices were not involved. I would choose that one as it being a reproductive cell. 
3 0
3 years ago
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How does the process of photosynthesis provide evidence of the law of the conservation of mass
bonufazy [111]

Answer:

*The total mass will not change in photosynthesis since equal amounts of oxygen and water are produced when equal amounts of energy and carbon dioxide are used*             is the answer

Explanation:

I went over my notes and i have finished this quiz.

6 0
2 years ago
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