Meiosis is the generation of germ cells (eggs and sperm). In meiosis, DNA replication is followed by two division cycles: meiosis I, which segregates homologous chromosomes and meiosis II, which ...

Meiotic tetrad analysis is a powerful tool for analyzing all four products of a single meiosis. A new method for tetrad analysis in mammals provides valuable insights into the mechanisms that ...

When drawing your models, show the steps of replication and cell division separately. Label the steps. Now look at Meiosis Images #2a and 2b. These are two different representations of the same ...

Meiosis is the key process for sexual reproduction of most eukaryotes. After a single round DNA replication followed with two successive rounds of cell divisions, the diploid cells produce haploid ...

Francis et al. report the development of exactly such a system of tetrad analysis in A. thaliana.The work expands upon the discovery of a mutant called quartet (qrt1) that causes the four products ...

The need to recover all four chromatids can be seen by considering the case where a pair of homologous chromosomes undergoes a single recombination (or cross-over) event. Because each such event ...