How do chromosomes divide?
In a body, every single cell has the same number of chromosomes. This is because when a cell divides, the replicated chromatids are equally segregated into daughter cells. But, the first meiotic division is a clear exception. This division segregates maternal and paternal chromosomes for production of eggs and sperms, which are the origin of a new life. What is the story behind this division?
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News
1 October, 2026
The 119th SRD Meeting
Remi Kanemura and Emiko Ichihara attended the 119th SRD Meeting held in Morioka from September 24 to 26, 2026 and presented their researches.
11 September, 2026
RIKEN Summer School
MeiAkiko Mukose and Tae Akizuki attended RIKEN Summer School 2026 held in Wako from September 10 to 11, 2026 and presented their researches. Tae won the poster award. Congratulations!
11 September, 2026
NIBS
At the 3rd Mini-Symposium on Early Embryology hosted by National Institute of Biological Sciences（NIBS), held in Beijing, China, on September 8, 2026, Tomoya Kitajima delivered an invited lecture.
4 September, 2026
S-HIGO Cutting-Edge Seminar
At the S-HIGO Cutting-Edge Seminar at Kumamoto University, held in Kumamoto on September 2, 2026, Tomoya Kitajima delivered an invited lecture.
8 July, 2026
Paper Celebration
We held a lab party to celebrate the publication of papers by Eishi Aizawa, So Shimamoto, and Hirohisa Kyogoku.
12 June, 2026
The 59th Annual Meeting of the Japanese Society of Developmental Biologists
At the 59th Annual Meeting of the Japanese Society of Developmental Biologists, held in Hiroshima, from June 9 to 12, 2026, Tomoya Kitajima delivered an invited lecture.
Upcoming Events
28 September - 1 October, 2026
FASEB SRC Consequences of Aneuploidy
5 October - 7 October, 2026
EMBO Workshop on the Cell Cycle: Exploring Conservation and Divergence in Life’s Engine
5 November - 6 November, 2026
The 71st Annual Meeting of Japan Society for Reproductive Medicine