Structural changes in chromosomes cause alteration in:
A) Phenotype
B) Fertility
C) Viability
D) Karyotype
D) All of these
Deletion leads to alternation in:
A) Gene number
B) Sequence of gene
C) Structure of gene
D) All of the above
Intercalary deletion leads to loss of segment in a chromosome from the:
A) Intermediate position
B) Terminal portion
C) Both
D) None of the above
Duplication was first reported by:
A) C.B. Bridges
B) Sturtevant
C) T.H. Morgan
Translocation leads to exchange of segments between:
A) Homologous chromosomes
B) Sister chromatids
C) Non-homologous chromosomes
D) All of the above
Inversion leads to alteration in:
A) Composition of genes
B) Number of genes
C) Sequence of genes
D) All of the above
The size of a chromosome having duplication is:
A) Longer than normal
B) Shorter than normal
C) Normal
D) Thicker than normal
Translocation homozygotes lead to alteration in:
A) Gene number
B) Sequence of genes
C) Linkage maps
D) All of the above
Pseudo-dominance is associated with:
A) Translocations
B) Deletions
C) Inversions
D) All of the above
During pachytene, translocation heterozygotes lead to formation of:
A) Cross-shaped configuration
B) Ring configuration
C) Loop configuration
D) None of these

Report Card

Total Questions Attempted: 0

Correct Answers: 0

Wrong Answers: 0

Percentage: 0%