Identifica el esporofito y ... meiosis. Cada espora germinará y dará un nuevo gametofito, y de este modo se cierra y reinicia el ciclo. 1. Disponer de plantas de helechos con soros en macetas. 2.

Rec8 joins the whole length of the sister chromatids together, and, as meiosis proceeds, is lost in a stepwise manner that correlates with the loss of sister-chromatid cohesion. Figure 1 ...

In this paper, I show that this debate can be resolved by constructing a general version of Hamilton’s rule, which allows for a large variety of ways in which the fitness of an individual can depend ...

It's the last part of that which has incrementally improved through HDMI's ongoing specification, from version 1.0 in 2002 through to version 2.2 in 2025. At present, however, it's HDMI 2.0 and 2. ...

Type 1 diabetes is an autoimmune condition associated with genetics and may develop suddenly. Type 2 diabetes often develops over time, with obesity and a lack of exercise as the main risk factors.

An effective HIV-1 vaccine must therefore elicit antibodies that can neutralize many variants of the virus. While broadly neutralizing antibodies (bnAbs) have been isolated from HIV-1 infected ...

A study led by bioengineers at the University of California San Diego sheds new light on how a type of heart valve disease, called aortic valve stenosis, progresses differently in males and females.

The companion paper shows that well before the germ cells enter meiosis, CTCF and other proteins bookmark thousands of locations in the genome. This paper was led by postdoctoral fellow Chongil Yi ...

En las temporadas 1 y 2, Reacher –como él pide que lo llamen a secas—se valió de estos vínculos para requerir la ayuda de estos. Así lo vimos enfrentándose a batallones y arriesgando su ...

They were enabled back in August 2024, making them the first in America. The refreshed 2025 Tesla Model Y is also now available with this technology, though it should be noted that Canadian and ...

Nintendo Switch 2 is finally confirmed. After literal years of unverified rumors, dubious leaks and copious amounts of online speculation, Nintendo has lifted the lid on its next-generation ...