La hemofilia (h) es una enfermedad recesiva ligada al cromosoma X, donde la coagulación de la sangre está alterada por la falta o deficiencia de factores de coagulación. Si en una pareja, la madre es portadora (xxh) y se encuentra
embarazada de una niña, mientras que el padre es sano (XY), ¿cuál es el porcentaje de probabilidad de que su hija sea
portadora de la enfermedad?

This is a coral reef ecosystem. many biotic and abiotic factors affect the health of this ecosystem. which set correctly pairs a biotic factor and an abiotic factor?

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?

How is anaerobic respiration affected by changes in temperature? (5 points)based on the conditions of early earth, what conclusion can you draw about the amount of anaerobic respiration that was occurring at earth’s beginning? explain your answer.(5 points)if there was a sudden drop in temperature after the evolution of the first living cells, predict how that might have affected the changes in the atmosphere and the evolution of cyanobacteria and other autotrophs. explain your answer. (5 points)