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Agata [3.3K]
3 years ago
10

How many electrons are in an atom of zirconium?

Biology
1 answer:
SSSSS [86.1K]3 years ago
7 0

Answer:

There are 40 electrons and protons and 50 neutrons

Explanation:

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A pure-breeding fruit fly with the recessive mutation cut wing, caused by the homozygous cc genotype, is crossed to a pure-breed
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1. 0% of probability, 2. 50% of probability, 3. 75% of probability.

Explanation:

In order to find the probabilities we have to draw Punnet squares.  The mutated gene will be symbolized with a *.

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         X           Y

X   ║   XX   ║  XY

X   ║  XX    ║  XY  

2. The male has not got a mutation and the female has. When we draw the Punnet square, with one female X mutated, we find that there is a 50% of probability of mutation.

         X            Y

X* ║  X*X    ║  X*Y

X   ║  XX     ║ XY

3. Now both, the female and the male, has the mutation. When we draw the Punnet square with mutations in  the female and in the male, we find that there is a 75% of probability of  mutation.

       X*             Y

X* ║ X*X*    ║   X*Y

X  ║  XX*    ║  XY

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