RNA has great capability as a genetic molecule; it once had to carry on hereditary processes on its own. It now seems certain that RNA was the first molecule of heredity, so it evolved all the essential methods for storing and expressing genetic information before DNA came onto the scene.
Answer:
The sister chromatids are identical to one another and are attached to each other by proteins called cohesins. They are formed.
Explanation:
I think that the correct answer to this question is D .
Answer:
a. spore
Explanation:
Fungi is a kingdom in which you can fund yeast, mold, and all kind of fungus, microcellular, and monocellular ones.
The way fungi reproduction is through spores that get distributed in a latent way until thy fund its necessary conditions to living.
These spores can create both ways, sexual and asexual.
Answer:
If the paired chromosomes fail to separate during meiosis in the female, then the resulting daughter cells will receive either 2 or no copies of chromosome 21. If the resulting egg with 2 copies of chromosome 21 is fertilized with a normal sperm, the resulting zygote with be trisomy 21
Explanation:
