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12345 [234]
3 years ago
6

Which statement presents a commonly-found format for hypotheses?

Biology
1 answer:
swat323 years ago
8 0

Answer: a) If the independent variable is changed, then the dependent variable will also change.

Explanation:

A hypothesis is the assumed explanation for the cause of the natural process. This can be testified on the basis of the experimental process, which will involve the cause and effect relationship between the independent and dependent variables.

The independent variable can be changed in an experiment manually. The impact of such change can be observed on the dependent variable to test the hypothesis.    

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Answer and Explanation:

cross: BbTt x bbTt

<u>Cross for B gene</u>

Parental ) Bb   x   bb

Gametes) B   b   b   b

Punnet square)  B     b

                  b     Bb    bb

                  b     Bb    bb

F1) Genotypic proportion: 2/4=1/2 Bb : 2/4=1/2 bb

     Genotypic ratio 1:1

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<u>Cross for T gene</u>

Parental ) Tt   x   Tt

Gametes) T  t     T   t

Punnet square) T       t

                  T     TT    Tt

                  t      Tt    tt

F1) Genotypic proportion 1/4 TT

                                          2/4 Tt

                                          1/4 tt

     Genotypic ratio  1 : 2 : 1

      Phenotypic proportion: 3/4 T-

                                              1/4 tt

     Phenotypic ratio 3 : 1

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I believe it's a. Hopefully I helped
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Mainly the membrane is composed of lipid bilayer in which protein chains are embedded

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