A newly discovered species has a euploid number of 2N=8. Euploid males have thre

Question

A newly discovered species has a euploid number of 2N=8. Euploid males have three pairs of autosomes and a large and a small sex chromosome. Euploid females have three pairs of autosomes and a pair of large, similarly looking sex chromosomes. Occasionally, aneuploids are observed with unusual phenotypes. When karyotypes are examined, one aneuploid male has just seven chromosomes: three pairs of autosomes and one, large sex-chromosome. One aneuploid female has nine chromosomes: three pairs of autosomes, two of the large and one of the small sex-chromosomes. By what mechanism is sex-type most likely to be determined in this species? Answer Haploid-diploid sex determination Y-chromosome sex-determination W-chromosome sex-determination X:Autosome balance sex-determination

Explanation / Answer

the answer is Haploid-diploid sex determination

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