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  • Help me please, Match the terms in Column I with their description in Column II and choose the correct option: Column I Column II (a)Dominance (i)Many genes govern a single character (b)Codominance (ii)In a

Match the terms in Column I with their description in Column II and choose the correct option:

Column I

Column II

(a)    Dominance

(i)    Many genes govern a single character
(b)    Codominance

(ii)    In a heterozygous organism only one
allele expresses itself
(c)    Pleiotropy

(iii)    In a heterozygous organism both alleles
express themselves fully
(d)    Polygenic inheritance

(iv)    A single gene influences
many characters

Codes:

(a)    (b)    (c)    (d)

 

  • Option 1)

    (ii)    (i)    (iv)    (iii)

  • Option 2)

    (ii)    (iii)    (iv)    (i)

  • Option 3)

    (iv)    (i)    (ii)    (iii)

  • Option 4)

    (iv)    (iii)    (i)    (ii)

 

Answers (1)

 

Test cross between flowers -

In a typical test cross, an organism showing a dominant phenotype is crossed with recessive parent instead of self-crossing.

- wherein

The result of typical test cross between a violet flower (w) is dominant over white flower (w) is dominant over white flower (w) is shown.

 

 

Co-dominance explained in red-blood cells -

Red-blood cells are controlled by gene (I). RBC's have sugar attached to surface which is controlled by the gene (I). The gene (I) has three alleles : IA , IB and i

 

- wherein

The allele of gene (I), IA and IB process sugar of different forms while  i does not produce any.

 

 

 


Option 1)

(ii)    (i)    (iv)    (iii)

This is incorrect option

Option 2)

(ii)    (iii)    (iv)    (i)

This is correct option

Option 3)

(iv)    (i)    (ii)    (iii)

This is incorrect option

Option 4)

(iv)    (iii)    (i)    (ii)

This is incorrect option

Posted by

Vakul

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