Chromatin is the material that makes up a chromosome that consists of DNA and protein. The major proteins in chromatin are proteins called histones.
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<em><u>They act as packaging elements for the DNA.</u></em></h3>
The reason that chromatin is important is that it's a pretty good packing trick to get all the DNA inside a cell.
The bottleneck effect is when the population of a species is reduced due to an environmental disaster or human activities. An example of the bottleneck effect is "Insecticide spraying eliminates all but a few of the beetles on an island". For the species to survive, the green beetle will either have to move to a new location and build a new colony or they will have to develop a resistance to the insecticide and then start to rebuild the existing colony
Answer:
the branch of biology and medicine concerned with the study of embryos and their development.
Explanation:
sorry if it is wrong!!!
