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Which of the following is NOT an advantage of inbreeding?
It decreases homozygosity.
It exposes harmful recessive genes that are eliminated by selection.
Elimination of less desirable genes and accumulation of superior genes takes place due to it.
It decreases the productivity of inbred population, after continuous inbreeding.
Answers (1)
The correct answer is Option 4) It decreases the productivity of the inbred population after continuous inbreeding.
Inbreeding refers to the mating of individuals who are closely related, such as siblings or close relatives. While inbreeding can have certain advantages in specific situations, such as in selective breeding programs, it also has several disadvantages.
Advantages of inbreeding include:
- Increased uniformity: Inbreeding can increase the uniformity of a population by concentrating desirable traits and reducing genetic variation.
- Identification of recessive traits: Inbreeding can expose harmful recessive genes that are otherwise masked in outbred populations. This allows for the identification and elimination of these harmful traits through selective breeding.
- Fixation of desired traits: Inbreeding can help fix or stabilize desirable traits in a population by repeatedly mating individuals with those traits. This is particularly useful in breeding programs aimed at developing specific breeds or lines.
Option 4 states that inbreeding decreases the productivity of the inbred population after continuous inbreeding. This is a correct statement as continuous inbreeding can lead to inbreeding depression. Inbreeding depression is a phenomenon where reduced fitness, lower fertility, and decreased productivity are observed in inbred populations due to the accumulation of deleterious recessive traits.
Therefore, Option 4 is the correct answer as it describes a disadvantage of inbreeding.
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