2
votes
Does recombination occur in both chromatid of a chromosome with homologous chromosome? Or only 1 chromatid participate in crossing over?
The diagram you provide is just a schematic, showing a simple version to clarify what is happening in a crossover. It seems that at least once crossover has to occur in each bivalent for normal ...
2
votes
Storing bacteria in a dry, room temperature long-term storage whilst maintaining viability
Lyophilization, aka freeze-drying, is probably the go-to method of microbial preservation without the need for cold storage. It's how bacterial strains purchased from commercial culture collections ...
1
vote
Storing bacteria in a dry, room temperature long-term storage whilst maintaining viability
The answer to this strongly depends on the species of bacterium you are working with.
The only ones that I know of that are capable of withstanding any dehydration process are those that form spores. ...
1
vote
Does recombination occur in both chromatid of a chromosome with homologous chromosome? Or only 1 chromatid participate in crossing over?
I think like that , different alleles coding for different traits are present on different positions on two chromatids
So both can participate in the recombination only when chromatids of torquoise ...
Only top scored, non community-wiki answers of a minimum length are eligible
Related Tags
cell-biology × 1753molecular-biology × 288
biochemistry × 202
human-biology × 181
cell-membrane × 117
microbiology × 89
genetics × 85
proteins × 79
cancer × 77
immunology × 75
dna × 70
cell-signaling × 67
cell-culture × 65
neuroscience × 61
physiology × 57
evolution × 49
mitosis × 47
botany × 42
metabolism × 41
mitochondria × 39
homework × 38
molecular-genetics × 36
terminology × 35
cell-division × 35
microscopy × 33