EMBRYOLOGY
CHROMOSOMES AND CELL DIVISIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Chromosomes are made up of many genes joined together like beads on a string.
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True
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -The structures that appear as beads-on-string in the chromosomes are nucleosomes. Nucleosomes are a group of base pairs and proteins (histone) that are wrapped around DNA. A nucleosome is the fundamental structural unit of DNA packing in eukaryotes.
Detailed explanation-2: -Each chromosome consists of a long double-stranded molecule of deoxyribonucleic acid (DNA). These DNA molecules contain thousands of genes, short segments of DNA that are arranged like beads on a string and are the basic units of heredity.
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