For a new species to evolve, two things are essential: a characteristic—such as a colour—unique to one species and a mating preference for this characteristic. For example, individuals from a blue fish species prefer ...
Evolution
Mar 5, 2019
0
20
A recent study, affiliated with South Korea's Ulsan National Institute of Science and Technology (UNIST) has introduced a novel targeted drug delivery system in the fight against cancer.
Bio & Medicine
Jan 18, 2019
0
1094
Epigenetic changes often play an important role in cancer, because they cause the genetic material to be read incorrectly at certain locations. Genes that are especially critical are those that control the growth and death ...
Cell & Microbiology
Nov 7, 2018
0
9
One of the worst things that can happen to a cell is to end up with the wrong number of chromosomes. This can happen if something goes wrong during cell division, and it can lead to infertility, miscarriages, birth defects, ...
Cell & Microbiology
Oct 4, 2018
0
55
Genetics is a crapshoot. During sexual reproduction, genes from both the mother and the father mix and mingle to produce a genetic combination unique to each offspring. In most cases, the chromosomes line up properly and ...
Biotechnology
Apr 20, 2018
0
256
When it comes to sex, frogs, just like in people, exhibit a similar XX (female) and XY (male) sex chromosome pattern of inheritance.
Evolution
Jan 30, 2018
0
135
In a breakthrough development, Los Alamos scientists have shown that they can successfully amplify light using electrically excited films of the chemically synthesized semiconductor nanocrystals known as quantum dots. The ...
Nanophysics
Nov 20, 2017
0
371
As cells divide, some of their DNA is rearranged, spurring the emergence of new traits that can dictate whether a species survives or flounders. But some stretches of DNA appear to be so crucial to the basic functioning of ...
Biotechnology
Apr 11, 2017
0
12
Researchers have discovered a key gene that influences genetic recombination during sexual reproduction in wild plant populations. Adding extra copies of this gene resulted in a massive boost to recombination and diversity ...
Biotechnology
Feb 21, 2017
0
29
A new study provides more evidence that identical sections of DNA can match up with each other without the help of other molecules.
Biotechnology
Jul 20, 2016
0
45
