The cichlids of Lake Tanganyika in Africa are highly diverse—including with regard to sex chromosomes. These have changed extremely frequently in the course of the evolution of these fish and, depending on the species, ...
Plants & Animals
Sep 3, 2021
0
160
Females and males differ in many ways and yet they share the same genome. The only exception is the male Y chromosome. Using beetles as a study system, new research from Uppsala University, now published in Nature Ecology ...
Evolution
Aug 24, 2021
0
359
A new study led by an Iowa State University scientist sheds light on how organisms have evolved to address imbalances in sex chromosomes.
Plants & Animals
Jul 26, 2021
0
996
Fruit flies have found at least two solutions to the problem of sorting their sex chromosomes: a matter of life and death.
Evolution
Jun 18, 2021
0
6
Sex is a complicated affair for Australia's Jacky Dragon lizard.
Plants & Animals
Feb 9, 2021
0
70
Sex-specific chromosomes are a dangerous place to be, if you're a gene. Because these chromosomes—Y chromosomes, in humans—do not have a matching chromosome with which to exchange genetic information, they are prone to ...
Plants & Animals
Jan 21, 2021
0
112
Often considered the world's oddest mammal, Australia's beaver-like, duck-billed platypus exhibits an array of bizarre characteristics: it lays eggs instead of giving birth to live babies, sweats milk, has venomous spurs ...
Plants & Animals
Jan 6, 2021
15
2980
The evolution of sex chromosomes is of crucial importance in biology as it stabilizes the mechanism underlying sex determination and usually results in an equal sex ratio. An international team of scientists, led by researchers ...
Biotechnology
Sep 8, 2020
1
166
Men may have a surprising genetic advantage over women, according to new research carried out at the University of St Andrews.
Biotechnology
Aug 12, 2020
0
480
Much smaller than its counterpart, the X chromosome, the Y chromosome has shrunken drastically over 200 million years of evolution. Even those who study it have used the word "wimpy" to describe it, and yet it continues to ...
Evolution
Aug 6, 2020
0
224
