Chromosome is a threadlike structure present in nucleus .Chromosomes are composed of chromatin and carry the genes in a linear sequence; these determine the individual characteristics of an organism there are 23 pairs of chromosomes out of those one is different. In female it is XXY qnd in males it is xy
In plant cells, it occurs in d. the chloroplasts
Catskills includes many types of sedimentary rocks.
<span>Rocks counts about 400 million years and move about 350 million years.</span>