<u>50%</u> of offspring will have brown eyes
Explanation:
A heterozygous individual will have the genotype <em>Rr </em>while an individual who is homozygous recessive will have the genotype <em>rr.</em> A cross between the two will result in offspring with phenotype <em>Rr</em> and <em>rr</em> in the ratio of 1 : 1. This can be observed from the Punnet square attached. The same is the case for the phenotype. The ration of brown eyes to red eyes will be approximately 1 : 1
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The stem transports nutrients made in the leaves to all parts in the plant.
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The idea of crossing over or genetic variation occurs. please give this brainliest!
The statement is true, the four blood types result from various combinations of the three different ABO alleles, giving rise to A, B, AB and O as the four universal blood types.