GENETICS AND EVOLUTION
MOLECULAR BASIS OF INHERITANCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Chromosomes are long DNA molecules called genes which are divided into sections.
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Chromosomes include a long molecule of DNA divided into sections called genes.
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Chromosomes include genes which are divided into sections called DNA molecules.
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Genes include long DNA molecules called chromosomes.
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Detailed explanation-1: -Each chromosome has two short arms called p arms and two long arms called q arms. These arms are held together at the center by the centromere. The tips of the chromosome are capped by sections of DNA called telomeres. Telomeres protect chromosomes during DNA replication.
Detailed explanation-2: -Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person’s genes. Genes are contained in chromosomes, which are in the cell nucleus.
Detailed explanation-3: -Answer. Answer: DNA is a molecule that makes up chromosomes; chromosomes are sections of genes. Chromosomes are the molecules that make up DNA; genes are sections of DNA.
Detailed explanation-4: -In living organisms, the genome is stored in long molecules of DNA called chromosomes. Small sections of DNA, called genes, code for the RNA and protein molecules required by the organism. In eukaryotes, each cell’s genome is contained within a membrane-bound structure called the nucleus.