#Question id: 11879
#General Aptitude
#Question id: 5969
#General Aptitude
The calendar of the year 1897 can be used again in the year?
#Question id: 2677
#Unit 2. Cellular Organization
Why is the transcription of structural genes of the trp operon turned off in the presence of tryptophan?
#Question id: 2285
#Unit 2. Cellular Organization
Assuming all other factors to be the same, electron microscopes have greater resolving power than light microscopes because.
#Question id: 26787
#Unit 8. Inheritance Biology
In the S phase of meiotic interphase, each chromosome replicates, producing two copies of each allele, one on each chromatid, the homologous chromosomes segregation takes place in__
Which of the following statements is correct about the segregation of chromosomes?
a.If no crossing over has taken place, the two chromatids of each chromosome segregate in anaphase II and are identical
b. If crossing over has taken place, the two chromatids are no longer identical, and the different alleles segregate in anaphase II
c. If no crossing over has taken place, the two chromatids of each chromosome segregate in anaphase I and are identical