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Bingel [31]
4 years ago
11

a punnet square is a grid used to show possible gene combinations for the offspring of two parents. In the Punnett square shown,

a boy is represented by XY. A girl is represented by XX. Explain why the probability of two parents having a boy or girl is equally likely.​

Mathematics
2 answers:
Vladimir79 [104]4 years ago
4 0

Answer:

because there is no definitve boy gene they share theres xx xx half are blue and half are pink is what im saying

Step-by-step explanation:

Zina [86]4 years ago
4 0

Answer:

Probability of having a boy or a girl = \frac{1}{2}

Step-by-step explanation:

In the Punnett square shown, a boy is represented by XY and a girl is represented as XX.

Now total events which can occur n(S) [sample space] = 4

and preferred events of being a baby boy or a girl are n(E) = 2

Therefore, probability of happening a preferred event will be = \frac{n(E)}{n(S)}=\frac{2}{4}

Probability = \frac{1}{2}

So Probability of two parents having a boy or girl is 50 : 50

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