A balanced reciprocal translocation in a breeding animal may reduce fertility mainly because it can produce:
Correct answer: A. Unbalanced gametes during meiosis
- A. Unbalanced gametes during meiosis
- B. Excessive mutation in somatic cells
- C. Complete loss of all chromosomes
- D. Permanent suppression of gene expression
Explanation
During meiosis, a translocation heterozygote may form gametes with duplicated or deleted chromosome segments. Such unbalanced gametes can cause embryo loss or reduced fertility, even when the carrier appears normal.
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About Animal Breeding and Genetics
Covers genes, chromosomes, inheritance, genetic variation, mutations, heritability and quantitative traits in livestock. It also includes selection methods, breeding systems, inbreeding, crossbreeding, heterosis and evaluation of traits such as growth, milk yield, fertility and disease resistance.
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