The red-green color blindness is a recessive X-linked trait. The females are not affected unless both the X chromosomes have the affected allele. Mostly, the females are the carriers, and the males are affected as they have only one X chromosome. In the given pedigree, the father of Irene have the normal allele, while her mother is a carrier. However, Irene is neither a carrier nor affected. This means that she carries normal alleles on both X chromosomes. Hence, her allele combination is 
.
Answer:
There is a protein synthesis cycle
Explanation:
The whole cycle goes through Transcription and Translation
where the DNA gets converted into RNA
<span>If I were attempting to date a rock sample that I suspect to be incredibly old, i would use radioactive isotopes with a long half life. When dating rocks and fossils to discover approximately how old they are, radioisotope dating is used on igneous rocks found near fossils. Things like Uranium 235, which is an unstable radioactive isotope of elements, decays at a constant rate over time so can be useful in determining age.</span>
Respuesta:Newton (unidad) en física, newton (N) es la unidad de fuerza en el sistema internacional de unidades, nombrada así en reconocimiento a issac Newton por su trabajo en la medicina clásica.... es una unidad derivada del sí,que se compone de unidades básicas kg x m x s-2
