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QUESTION 1 A flower displaying the dominant trait (long stem, L) is crossed with a flower...

QUESTION 1

A flower displaying the dominant trait (long stem, L) is crossed with a flower displaying the recessive trait (short stem, l). Half of the offspring produced have long stems and half have short stems. The genotypes of the parent flowers must have been:

a.

LL and ll
b.

LL and LL
c.

Ll and Ll
d.

Ll and ll
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Answer #1

Answer: d) Ll and ll

This is because a cross between Ll and ll yields the following;

                             Ll      x       ll

                             L , l        x       l , l [ gametes ]

                             LI    LI            ll , ll [ offspring ]

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