Explain Why in Some Cases, Linked Genes May Be Separated

question 48

Essay

Explain why in some cases, linked genes may be separated during crossing-over, yet at other times, linked genes are not affected by the recombination during meiosis.

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Definitions:

Libido

A term used to describe sexual desire or drive, often considered as an instinctual component of personality in psychoanalytic theory.

Psychosexual Stages

Freud’s theory of childhood development focusing on different parts of the body as primary sources of pleasure and conflicts at each stage.

Regression

In psychoanalytic theory, retreating to an earlier, more immature stage of psychosexual development, usually because of stress but sometimes in the service of play and creativity.

Psychic Energy

A concept in psychoanalytic theory referring to the energy derived from instinctual drives and how it is focused or invested into different parts of the personality.