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Flauer [41]
3 years ago
13

Which of the following occurs during artificial cross pollination? A. A different plant species is used to pollinate another pla

nt. B. The plants reproduce sexually by self pollination. C. The scientist completely controls the transfer of pollen from one flower to the stigma of another.
Biology
1 answer:
ira [324]3 years ago
5 0

Answer:

c

Explanation:

its artificial= done by humans

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What is the probability that each of the following pairs of parents will produce the given offspring: 1. AABbCc x aabbcc à AaBbC
ICE Princess25 [194]

Answer:

1) AaBbCc, 50% - 2) AAbbCC, 3,125% - 3) AaBbCc is 12,5%.

Explanation:

<u>1º cross</u>.

Parental)          AABbCC             x               aabbcc

Gametes)   ABC   AbC   ABC    AbC    ABC    AbC    ABC    AbC

                   abc    abc   abc     abc      abc     abc     abc     abc

Punnet Square)   <em>Only filled with the progeny genotype AaBbCc</em>.

             ABC       AbC       ABC       AbC         ABC      AbC         ABC     AbC

abc      AaBbCc     ---      AaBbCc     ---         AaBbCc     ---        AaBbCc    ---  

abc      AaBbCc     ---      AaBbCc    ---         AaBbCc     ---        AaBbCc    ---  

abc      AaBbCc     ---      AaBbCc     ---         AaBbCc     ---        AaBbCc    ---  

abc      AaBbCc     ---      AaBbCc     ---         AaBbCc     ---        AaBbCc    ---  

abc      AaBbCc     ---      AaBbCc     ---         AaBbCc     ---        AaBbCc    ---  

abc      AaBbCc     ---      AaBbCc     ---         AaBbCc     ---        AaBbCc    ---  

abc      AaBbCc     ---      AaBbCc     ---         AaBbCc     ---        AaBbCc    ---  

abc      AaBbCc    ---      AaBbCc     ---         AaBbCc     ---        AaBbCc    ---  

   

F1 Genotype)    32/64 AaBbCc

                          32/64  AabbCc (shown as the symbol "---" in the      

                          punnet square)

The probability of producing offspring with genotype AaBbCc is 50%.

---------------------------------------------------------------------

<u>2º cross.</u>

Parental)          AABbCc            x               AaBbCc

Gametes)   ABC   ABc   AbC    Abc    ABC    ABc    AbC    Abc

                     ABC   ABc   AbC     Abc   aBC    aBc     abC    abc

Punnet Square)   Only filled with the progeny genotype AAbbCC.

          ABC    ABc      AbC      Abc     ABC     ABc     AbC       Abc

ABC      ---       ---          ---          ---        ---        ---          ---           ---  

ABc       ---       ---          ---          ---        ---        ---          ---           ---  

AbC       ---      ---    AAbbCC     ---       ---         ---     AAbbCC    ---  

Abc       ---       ---          ---           ---       ---        ---          ---           ---

aBC       ---      ---          ---           ---        ---       ---          ---           ---  

aBc       ---       ---          ---           ---        ---       ---          ---           ---  

abC      ---       ---          ---           ---        ---        ---          ---          ---  

abc       ---       ---          ---           ---        ---        ---          ---          ---

   

F1 Genotype)  2/64 AAbbCC

                       The rest of the progeny have different genotypes that are represented with the symbol "---" in the punnet square.

The probability of producing offspring with genotype AAbbCC is 3,125%.

--------------------------------------------------------------------

<u>3º cross.</u>

Parental)          AaBbCc            x              AaBbCc

Gametes)   ABC   ABc   AbC    Abc    aBC    aBc    abC    abc

                     ABC   ABc   AbC    Abc    aBC    aBc    abC    abc

Punnet Square)   Only filled with the progeny genotype AaBbCc.

          ABC       ABc       AbC       Abc      aBC     aBc       abC       abc

ABC      ---           ---          ---           ---         ---        ---           ---      AaBbCc    

ABc       ---           ---          ---           ---         ---        ---      AaBbCc     ---  

AbC      ---           ---           ---          ---          ---    AaBbCc    ---           ---  

Abc       ---           ---           ---          ---     AaBbCc  ---           ---           ---

aBC       ---           ---           ---     AaBbCc    ---         ---          ---           ---

aBc       ---            ---       AaBbCc   ---          ---        ---           ---          ---  

abC      ---       AaBbCc      ---          ---          ---        ---           ---          ---  

abc   AaBbCc       ---            ---       ---           ---        ---           ---          ---

   

F1 Genotype)  8/64 AaBbCc

                       The rest of the progeny have different genotypes that are represented with the symbol "---" in the punnet square.

The probability of producing offspring with genotype AaBbCc is 12,5%.

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