Question

A purple, long tailed lizard is crossed with a white, no tailed lizard. In the F1 generation all lizards are purple with a short tail. If 2 lizards in the F1 generation are allowed to breed, what would be the probability of having a short tail in the F2 generation?

Answer 1

f 4f324urbvhw4ongit4or

Step-by-step explanation:

Answer 2

50%

Step-by-step explanation:

A Purple, long tailed lizard crossed with a white, no tailed lizard.

As given,

In F1 all lizards are purple with a short tail.

PPLL ( purple, long tailed lizard)

gametes are PL, PL.

ppll( white, no tailed lizard)

gametes are pl, pl

F1 : PpLl ( purple with a short tail)

Here, it indicate that tail size follows law of incomplete dominance

Gametes are PL, Pl, pL, pl

Cross between two F1's

PpLl× PpLl

Punnet square is:

PL Pl pL pl

PL PPLL, PPLl PpLL PpLl

Pl PPLl PPll PpLl Ppll

pL PpLL PpLl ppLL ppLl

pl PpLl Ppll ppLl ppll

So, there are 50% short tailed. ( __Ll)