Answer:
During DNA packaging, long pieces of double-stranded DNA are tightly looped, coiled, and folded so that they fit easily within the cell. Eukaryotes accomplish this feat by wrapping their DNA around special proteins called histones, thereby compacting it enough to fit inside the nucleus
To collect seeds
Globally, biodiversity is diminishing at an unprecedented rate “at the ecosystem, species, and genetic levels,” Chopra explains. ... Further, groups such as Bioversity International and Global Crop Diversity Trust fund seed banks around the world.
Answer:
Horses have 64 chromosomes and donkeys 62, so when the two breed their mule offspring ends up with 63. Because this is an odd number, it's impossible for them to divide evenly into two. That means the mule cannot produce sperm and egg cells that carry exactly half the animal's chromosomes, as should happen.Aug 28, 2018