Q344
An individual with 2n-1-1 chromosome constitution is called
A.
Monosomic
B.
Double monosomic
AnswerC.
Tetrasomic
D.
Double trisomic
Answer: Option B
Solution
Answer: Option B
Solution:
An individual with a 2n-1-1 chromosome constitution is called Double monosomic.A double monosomic is missing one chromosome from each of two pairs of homologous chromosomes (designated 2N-1-1), and a double tetrasomic contains an extra pair of two pairs of homologous chromosomes (2N+2+2).