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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animation of chromosome segregation


News

2 April, 2026

New members joined

Tao Pan (Postdoctoral Researcher), and Tae Akizuki and Mizuki Morihashi (Trainees; Doctoral Students in the Graduate School of Biostudies at Kyoto University), joined our team in April.

30 March, 2026

RIKEN BAIHO Award

Our team has been awarded the RIKEN BAIHO Award, which is presented to researchers who have made outstanding contributions to research and development support. Congratulations!!

24 March, 2026

PhD degree conferred

Yuanzhuo Zhou was awarded a PhD in Life Sciences at the Kyoto University Graduate School Degree Conferral Ceremony. Congratulations!!
Kyoto University News

24 March, 2026

Welcome and farewell party

We held a welcome/farewell party and a bowling event to celebrate Hou joining us, Asai and Zhou starting their new jobs, and Wei entering graduate school.

6 February, 2026

MASSIV 1.0

At MASSIV 1.0, held in Vancouver, Canada, from 19 to 22 January, 2026, Tomoya Kitajima delivered an invited lecture, and Kohei Asai presented a poster.

3 February, 2026

A new member joined

Shengqun Hou (Research Associate) joined our lab in February.