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Alex73 [517]
3 years ago
9

Is my answer correct??

Biology
2 answers:
valentinak56 [21]3 years ago
3 0

Answer:

Nope

Explanation:

Option A will be the answer

aleksley [76]3 years ago
3 0

Answer:

It should be C.

Explanation:

For sure, test-cross is used to determine the genotype by using the two parent genotypes and cross-breeding them.

Test-cross also aims to produce "true-breeding", but I do not think this is the case 100%. True-breeding is when all 4 determined offsprings carry the same (Rr) x4. However, the reason I do not believe that it is not the case 100%, is because it relies on the parents being true themselves (RR & rr, respectively).

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Answer:

(x - 1)(x - 2)(x + 3)

Explanation:

f(x)=x3-7x+6 Since (a + b + c + d = 0), then f(1) = 0 --> one factor if (x - 1).

After division -->

f(x)=(x-1)(x2f2+x-6). The trinomial in parentheses can be factored.

Find 2 numbers knowing sum (1) and product (-6). They are -2 and 3.

Therefor, f(x)=(x-1)(x-2)(x+3)

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3 years ago
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4 0
4 years ago
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