PHP中sort()、assort()、和 ksort() 有什么分别?它们分别在什么情况下使用?
PHP中sort()、assort()、和 ksort() 有什么分别?它们分别在什么情况下使用?
PHP中sort()、assort()、和 ksort() 有什么分别?它们分别在什么情况下使用?
A.assort
B.varieties
C.assortment
D.collections
A、assort randomly
B、can crossover and recombine
C、are allelic
D、co-segregate
E、will segregate independently
A、No, if two genes are on the same chromosome, they will be linked and the recombination frequency will be less than 50%.
B、Yes, if the two genes are close enough to each other, there will be a limited number of crossover events between them.
C、No, there will be very high crossover interference such that the recombination frequency will be reduced significantly.
D、Yes, if the genes are far enough apart on the same chromosome, a crossover will occur between them in just about every meiotic event.
E、Yes, but only if the two genes are both homozygous.
A、The allele that produces the tall condition is dominant to the allele that produces the short condition.
B、The difference between tall and short stature in these lines is controlled by a single gene pair.
C、During production of gametes in F1 plants, the tall and short alleles segregate from each other equally into the gametes.
D、The tall and short traits assort independently of each other in this cross.
E、Fertilization occurs randomly between gametes carrying the tall and short alleles.
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