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olya-2409 [2.1K]
2 years ago
14

The f2 progeny from a particular f1 dihybrid cross exhibited a modified ratio of 9:7 (instead of 9:3:3:1). What phenotypic ratio

would be expected from a testcross of one of the f1 individuals?.
SAT
1 answer:
Damm [24]2 years ago
4 0
It should be one but if I’m wrong I am so so sorry
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A line passes through point (-8, -5) and has a slope of
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Answer:

-5x+4y=20

Explanation:

A line passes through point (-8, -5) and has a slope of  5/4

Write an equation in Ax+By=C form for this line.

Use integers for A, B, and C.​

So we have a point and a line we can use the point slope formula

y-y1=m(x-x1)

y-(-5)=(5/4)(x- -8)

y+5=(5/4)(x+8)

y=5/4x+10-5

y=5/4x+5

Then we multiply 4 both sides

4y=5x+20

-5x+4y=20

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