Two pea plants,one with round green seeds $(RRyy)$ and another with wrinkled yellow $(rrYY)$ seeds,produce $F_1$ progeny that have round,yellow $(RrYy)$ seeds. When $F_1$ plants are selfed,the $F_2$ progeny will have new combinations of characters. Choose the new combinations from the following:
$(i)$ Round,yellow
$(ii)$ Round,green
$(iii)$ Wrinkled,yellow
$(iv)$ Wrinkled,green

  • A
    $(i)$ and $(ii)$
  • B
    $(ii)$ and $(iii)$
  • C
    $(i)$ and $(iv)$
  • D
    $(iii)$ and $(iv)$

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$(ii)$ What are different phenotypes observed?
$(iii)$ What is this type of cross known as?

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$A$ child who inherits an $X$-chromosome from her father will be a boy.

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