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Why precious granddaughter grandmother more often?
The proportion of identical genes between grandmother and granddaughter is much higher than that of nephews, so girls have many similarities with grandmothers.
Chromosome
Browse ScienceInfo articles and explainers related to Chromosome.
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Articles about Chromosome
152 published items.
Discover science
Chromosome X story: The evolution of a sex chromosome
Forget about the Y chromosome - it's time to talk about the X chromosome.
Discover science
Boys or girls depend on their father
A Newcastle University study with the participation of thousands of families is a solution for parents about whether they have a son or a daughter.
Archeology
Secrets of 'DNA' helps dinosaurs dominate Earth
Researchers at the University of Kent, UK, say they have discovered a genetic secret that could help dinosaurs dominate the Earth for 180 million years.
Archeology
The man in the body of women 2000 years ago
Results of an analysis of the skeleton skeleton of a Roman woman who lived 2,000 years ago showed that this is a man.
Archeology
More than 800 million Asian men are descended from 11 ancestors
More than 800 million men living in Asia are now descended from only 11 men, including Genghis Khan, the founder of the Mongolian empire, according to a new study.
Archeology
Found traces of 'Adam' on Earth 209,000 years ago
According to scientists, Adam once existed 209,000 years ago, 9,000 years earlier with current estimates.
Archeology
New discovery about the common father of humankind
After Albert Perry - an African-American in the state of South Carolina, USA - died, one of his relatives brought his DNA sample to the Family Tree DNA company for analy…
Archeology
Incest has happened 'like a meal' in ancient times?
Fossils dating back to 100,000 years found in Hua Jia Dao, northern China show that the ancient incest seems to be very common.
Archeology
Human genome sheds light on the mystery of human history
Scientists have developed a new statistical method based on the sequence of complete human genomes today to elucidate the events that took place at the dawn of human his…
Archeology
The British gene is associated with Iraqis and Syrians
A recent study shows that more than 10,000 years ago most British were descendants of farmers migrating from Iraq and Syria.
Archeology
The greatest migration of humanity
where do humans come from? How can we be present where we live? Starting from a group of hunters gathering all over Africa, until 200,000 years later, more than 6.5 mill…
Space science
NASA research on changes in space
NASA's twin astronaut studies yield remarkable results, National Geographic reported on March 15.
Biology
The caveman virus can increase the birth rate of boys
The DNA of a caveman virus that lived 1.5 million years ago could block the X chromosome, increasing the male sex ratio in the fetus.