The genetic information of an organism is contained in chromosomes that are located in the nucleus of every cell of the organism - Junior Cycle Science - Question g - 2014
Question g
The genetic information of an organism is contained in chromosomes that are located in the nucleus of every cell of the organism.
(i) How many pairs of chromosomes ... show full transcript
Worked Solution & Example Answer:The genetic information of an organism is contained in chromosomes that are located in the nucleus of every cell of the organism - Junior Cycle Science - Question g - 2014
Step 1
How many pairs of chromosomes are in most human cells?
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Answer
Humans typically have 23 pairs of chromosomes in each cell. This includes 22 pairs of autosomes and 1 pair of sex chromosomes, which are critical for determining genetic inheritance and sexual characteristics.
Step 2
What are the major chemical components of chromosomes?
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Answer
The major chemical components of chromosomes are:
DNA (deoxyribonucleic acid): This molecule carries the genetic instructions.
Proteins: These are involved in packaging and organizing DNA into a compact structure, which is essential for proper chromosome function during cell division.
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