#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
#Question id: 31294
#Unit 5. Developmental Biology
#Question id: 28266
#Unit 5. Developmental Biology
SAP in the egg jelly of, Strongylocentrotus purpuratus is called___
#Question id: 7285
#Unit 5. Developmental Biology
During xenopus gastrulation, C3a functions as a short-range chemoattractant to guide the radial intercalation movements of cells. If Knockdown of C3a with antisense morpholinos results:
#Question id: 31375
#Unit 2. Cellular Organization