2.(a) If you uncoil a chromosome how many DNA molecules will you get? Give an example of a chroma
protein. What is
1.
Centromere
II. Chromosome.
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2 (a)
two DNA molecules
Following replication, each chromosome is composed of two DNA molecules; in other words, DNA replication itself increases the amount of DNA but does not (yet) increase the number of chromosomes. The two identical copies—each forming one half of the replicated chromosome—are called chromatids.
Chromas is a free trace viewer for simple DNA sequencing projects which do not require assembly of multiple sequences. Chromas has the following features: ... ab1 chromatogram files from Applied Biosystems DNA sequencers. Opens SCF and ZTR format chromatogram files created by other sequencers or retrieved from databases.
1 )
The centromere is the specialized DNA sequence of a chromosome that links a pair of sister chromatids. During mitosis, spindle fibers attach to the centromere via the kinetochore. Centromeres were first thought to be genetic loci that direct the behavior of chromosomes.
2)
Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from parents to offspring, DNA contains the specific instructions that make each type of living creature unique.
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