Explore topic-wise MCQs in Cytogenetics.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.

1.

Dominant lethal alleles are quickly removed from the pool while the recessive ones remain.

A. True
B. False
Answer» B. False
2.

Huntington s disease affects individuals carrying the gene starting from the age of ____________

A. 10
B. 20
C. 30
D. Random
Answer» D. Random
3.

A person homozygous for lethal allele______________

A. Always dies
B. Always expresses the phenotype
C. May not express the phenotype
D. They have severe abnormalities
Answer» D. They have severe abnormalities
4.

Tay Sach s disease doesn t agree with which of the following?

A. It causes death in heterozygotes
B. Death occurs within 2-3 years of life
C. HEXA gene is affected
D. Central nervous system is affected
Answer» B. Death occurs within 2-3 years of life