Question: What are individuals with a chromosome number of 2n-2 called?
Options:
Monosomic
Nullisomic
Trisomic
All of the above
✅Explanation: Nullisomic individuals are missing a pair of homologous chromosomes. In this case, 2n represents the normal diploid chromosome number, and 2n-2 indicates the loss of two chromosomes (a homologous pair). Â
📌Other Options:
(a) Monosomic: Monosomic individuals are missing a single chromosome (2n-1). Â
(c) Trisomic: Trisomic individuals have an extra chromosome (2n+1).