In the United States, more than 11% of men under the age of 49 are infertile. While the causes are varied and range from ...

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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 ...

A genetic mutation in mice affects cells required for sexual reproduction and holds clues about male infertility that could pave the way for new treatments and male contraceptives, a Rutgers ...

They are formed in a woman's body before birth and have to be on standby for decades to possibly be fertilized one day. But ...

Two new landmark studies show how a seeming tangle of DNA is actually organized into a structure that coordinates thousands ...

Botany is the study of plants and their functions. Focusing on key topics can help you score well in NEET 2025.

This sets up a new structure that cements the cell's future fate as a sperm cell. The companion paper shows that well before ...

used cutting-edge histochemical and transcriptomic methods to compare the responses of heat-tolerant and heat-sensitive wheat cultivars to heat stress during male meiosis. Their study revealed pivotal ...

During meiosis, crossover recombination is essential to link homologous chromosomes and drive faithful chromosome segregation. Crossover recombination is non-random across the genome, and ...

Inside the nucleus of a cell, the DNA is wound around histone proteins. This forms a structure called chromatin that allows the long DNA strands to fit inside the cell. Variations in chromatin ...