Answer:
Mendel's law of dominance
Explanation:
A pea plant homozygous for purple flowers could have the genotype PP. A pea plant homozygous for white flowers could then have the genotype pp.
This means that all the offpsring have the genotype Pp, see the attached punnet square.
Because the P allele is dominant to the p allele, the plants have purple flowers. This is in agreement with Mendel's law of dominance. This states that for a dominant trait (following a cross of two different homozygous genotypes), hybrid offspring of the next generation will always express the dominant allele.
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Answer:
Size of the court
Explanation:
In the game of tennis, there could be a singles match typically involving just two players, or a doubles tennis which involves four players. The rule modified for the doubles tennis is that a wider court is used since there are more players involved.
Each player can serve the tennis after the fourth game. The server and receiver can stand at any side of the court even though it is ideal that they maintain one side.