资讯

Females are more immunoreactive than males and, although sex hormones have an important role in immune functions, the X chromosome is fundamental in shaping sex-specific immune responses.
How do scientists find their way around a chromosome? With chromosome maps called idiograms, researchers can pinpoint the locations of genes and locate abnormal gene forms. Aa Aa Aa Most ...
Neil Hunter, a professor in the Department of Microbiology and Molecular Genetics at the University of California, Davis, and ...
Each human body cell contains 46 chromosomes. These can be arranged into 23 pairs. Each chromosome in a pair carries the same types of genes. The 23rd pair are the sex chromosomes: In females ...
About 97 percent of the genome consists of sequences that don't code for proteins and have no known function. Within the rest of the genome are an estimated 70,000 genes. The single chromosome ...
Men are taller on average than women. Researchers have finally figured out what’s behind those few extra centimetres.
It also contains telomerase reverse transcriptase (TERT), which uses TERC to synthesize and add telomeric DNA repeats to the ends of the chromosomes. In contrast to human somatic cells that are ...
Contains genes that help cell to function, eg genes for antibiotic resistance Bacterial cell ? Compartment in cell where DNA is stored as chromosomes Controls activities of cell Animal cell ...