Genetics

Question 1

Acrocentric chromosomes

Answer 1

13, 14, 15, 21, 22 - more likely to be involved in Robertsonian translocations

Question 2

Trisomy 21

Answer 2

Down syndrome

Question 3

Trisomy 13

Answer 3

Patau’s syndrome

Question 4

Trisomy 18

Answer 4

Edward’s syndrome
Microcephaly, clenched fist

Question 5

Myopathy

Answer 5

Common symptom caused by mtDNA mutations

Question 6

STRs

Answer 6

Highly polymorphic, distinguish between mother and fetus