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scoray [572]
3 years ago
7

Smooth muscle activity in the small intestine wall facilitates chemical digestion and absorption employing the processes of segm

entation and ____________.
Biology
1 answer:
worty [1.4K]3 years ago
5 0
<span>Smooth muscle activity in the small intestine wall facilitates chemical digestion and absorption employing the processes of segmentation and <span>peristalsis. 
</span></span>Peristalsis<span> is a series of wave-like muscle contractions that moves food to different processing stations in the digestive tract</span>
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Answer:

1) aa- affected

2) Aa- unaffected carrier

3) aa- affected

4) aa- affected

5) Aa - unaffected carrier

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7) aa- affected

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9) Aa- unaffected carrier

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This trait is <em>recessive</em>.

The F1 generation has a 50/50 chance of having unaffected offspring.

Explanation:

1) Given

2) Some of the offspring have the trait, and they're not affected, so they have to be a carrier

3) The box is shaded in so they have to have the trait, which means they have to have the same gene pattern as the other affected person (#1)

4) They are also shaded in, so they have to have the trait

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6) Same reasoning as #5

7) This is shaded in, the box has to have the trait

8) Shaded in = has the trait/affected

9) Since the parents either have the trait or are carriers, if they're not affected they have to be a carrier

10) Shaded in = has the trait/affected

11) Since the parents either have the trait or are carriers, if they're not affected they have to be a carrier

Since the trait is displayed when the people have two lowercase letters (aa), and people can be unaffected and carriers, (Aa), this trait has to be recessive.

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