Bio help! Please everyone!! I need major major help!!?

Discuss how crossing-over leads to greater variability of phenotypes. Give an example to explain your answer!

Another question..

Assume you are performing a cross between a plant that is heterozygous for the domiant traits red flowers and wrinkled seeds, with a plant that is homozygous for the reccesive traits white flower and smooth seeds.Assume the alleles are R for red flowers and r for white flowers.W for wrinkled seeds, and w for smooth seeds.The offsrping of this cross show the following phenotypes

43 red flowers and wrinkled seeds

7 red flowers and smooth seeds

9 white flowers and wrinkled seeds

41 white flowers and smooth seeds

What are the traits of recombinant offspring in terms of flower and seeds.Explain how you know these flowers are recombinant. What alleles would you expect to see in the individual chromosomes of each parent before and after the crossing over takes place.What is the recombinant frequency.What is the distance between the genes in map unit

Bio help! Please everyone!! I need major major help!!?theater seating

http://en.wikipedia.org/wiki/Crossing_ov... The answer to the first question is there.

Bio help! Please everyone!! I need major major help!!?

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