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Multiple Choice
Which of the following are principles of the chromosome theory of inheritance?
A
Traits are inherited through blending of parental genes.
B
Each gene is located at a specific locus on a chromosome.
C
Genes are located on chromosomes.
D
All genes are linked and inherited together.
Verified step by step guidance
1
Begin by understanding the chromosome theory of inheritance, which explains how genes are transmitted from parents to offspring through chromosomes.
Recognize that each gene is located at a specific locus on a chromosome. A locus is the specific physical location of a gene on a chromosome.
Understand that genes are located on chromosomes, which are structures within cells that contain DNA and protein. Chromosomes are the carriers of genetic information.
Clarify that not all genes are linked and inherited together. While some genes may be linked due to their proximity on a chromosome, others can be separated during meiosis due to crossing over.
Note that the idea of traits being inherited through blending of parental genes is not part of the chromosome theory of inheritance. This concept was part of an earlier, incorrect theory of inheritance.