Mendel did not recognize the linkage phenomenon in his...

Mendel did not recognize the linkage phenomenon in his experiments because
(a) There were many chromosomes to handle.
(b) Characters he studied were located on different chromosomes.
(c) He did not have powerful microscope.
(d) He studied only pure plants.

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Key Concepts

Mendelian Genetics

This key concept refers to the foundational principles of inheritance established by Gregor Mendel, including the laws of segregation and independent assortment. These principles assume that genes for different traits are inherited independently of each other, which is foundational to classical genetics.

Gene Linkage

Gene linkage is the phenomenon where genes located close together on the same chromosome tend to be inherited together rather than assorting independently. While it causes deviations from the expected Mendelian ratios, Mendel did not observe this effect because he selected traits that were located on different chromosomes.

Experimental Trait Selection

The concept of experimental trait selection involves choosing specific traits for study in order to simplify genetic analysis. Mendel's careful selection of traits, which were controlled by genes on different chromosomes, allowed him to observe clear patterns of independent assortment, inadvertently avoiding complications from gene linkage.

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