Which of the following statements about crossing-over is most correct?
A. There are as many crossings over possibilities as there are genes on the chromosome.
B. The farther apart are the two genes on chromosome, greater are the chances of their crossing over.
C. Genes placed linearly adjacent on a chromosome have the greatest chances of crossing over
D. crossing over does not occur at a distance of more than 5 map units
Answer:B
Which of the following statements about crossing-over is most correct?
A. There are as many crossings over possibilities as there are genes on the chromosome. B. The farther apart are the two genes on chromosome, greater are the chances of their crossing over. C. Genes placed linearly adjacent on a chromosome have the greatest chances of crossing over D. crossing over does not occur at a distance of more than 5 map units