Multiple Choice
What is the primary difference between sex chromosomes and autosomes?
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12. Meiosis
Genes & Alleles
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What percentage of human chromosomes are made up of protein-coding genes?
A
50-60%
B
1-2%
C
25-30%
D
10-15%
Verified step by step guidance1
Understand that human chromosomes are composed of DNA, which includes both protein-coding genes and non-coding regions.
Recognize that protein-coding genes are segments of DNA that are transcribed into mRNA and then translated into proteins.
Consider that the majority of the human genome consists of non-coding DNA, which includes introns, regulatory sequences, and repetitive elements.
Research or recall that only a small fraction of the human genome is made up of protein-coding genes, typically around 1-2%.
Compare the given options with the known percentage of protein-coding genes in the human genome to identify the correct answer.
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