a What problems can result from each of these types of chrom

a) What problems can result from each of these types of chromosome rearrangements? (SHOW WORK & EXPLAIN)

b) Give examples of human aneuploidies including which chromosome has an extra copy, the name of the resulting syndrome, symptoms, incidence and life expectancy. (SHOW WORK & EXPLAIN)

c) Define continuous characteristic, polygenic characteristic, pleiotropy and multifactorial characteristic.

Solution

a.

2.

Trisomy 21 - extra chromosome in the 21st chromosome causing downs syndrome.

Trisomy 18- extra chromosome in 18 th chromosome. Known as Edwards syndrome.

Trisomy 13 - Patau syndrome

Turners syndrome.

Klinefelters syndrome.