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maria [59]
3 years ago
10

The brain requires a substantial blood supply. the vessels that deliver blood to the brain are the

Biology
1 answer:
I am Lyosha [343]3 years ago
3 0
The common carotid arteries and the vertebral arteries
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Given the parents AABBCc × AabbCc, assume simple dominance for each trait and independent assortment. What proportion of the pro
galina1969 [7]
The answer is C) 3/4

Let's analyze separately each of the traits:

Parental generation: AA x Aa
F1 generation:       AA AA Aa Aa
So, all progeny will <span>phenotypically resemble the first parent.

</span>Parental generation: BB x bb
F1 generation:       Bb Bb Bb Bb
So, all progeny will <span>phenotypically resemble the first parent.
</span>
Parental generation: Cc x Cc
<span>F1 generation:       CC Cc Cc cc
</span>Only 3 (CC, Cc, Cc) out of 4 progeny will <span>phenotypically resemble the first parent.

The genotypes for first two traits will not affect </span>phenotypical resemblance to the first parent. So, it only counts the third trait, for which the chance to have progeny that <span>phenotypically resemble the first parent is 3/4.</span>
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3 years ago
Explain how similarities in the genetic codes of organisms are due to common ancestry and the process of inheritance.
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Because since their ancestors came before them then they inherit certain beneficial traits that help them survive. Those traits are in the DNA and the animals are evolving to be more fit for the environment that they are in. (hope this helps)
8 0
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What three substances can raise blood cholesterol level and why is this a concern?
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The substance that causes cholesterol to raise are the below:


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All the substance mentioned above can cause a hear attack. 
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The bacteria species known as Escherichia coli is capable of using oxygen to produce energy in a process known as respiration. I
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No the answer is not A  the answer it C. the bacterial cells to maintain homeostatic  
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3 years ago
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Goals of the relapse prevention model include dealing with feelings of guilt and a perceived loss of control if a relapse should
Zolol [24]

The answer is A

The abstinence violation effect

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8 0
3 years ago
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