theory of inheritance states that genes are on chromosomes. Therefore, any chromosomal abnormality will affect the number and location of genes therefore lead to the over- and under- expression of genes. Which of the following condition will NOT result in the over-expression of a gene?   A. Trisomy 18

Here is a karyotype made from cancer cells. Which of the following abnormalities can be detected?   A. Translocation   B. Trisomy   C. Monosomy   D. All of the above.

A turkey farmer is worried about a new disease that is found in his birds. If affects females more than males. Which of the following is(are) reason(s) that explain this finding? The disease is sex linked b The disease is autosomal recessive  c The disease is located on the Z chromosome d A and C e B and C

Possible options:  A. Autopolyploidy B. Allopolyploidy C. Chromosome duplication D. Pericentric inversion

Which of the following statements are true regarding homologous pairs of chromosomes? Select all that apply. A. They are the same size B. Their prescence indicates a cell is a diploid C. They are identical copies of one another D. One of the homologous chromosomes in a set is synthesized during S phase E. They line up next to each other during metaphase I of meiosis F. They are separated in anaphase I of meiosis

Change in chromosome numbers will lead to abnormalities. Which of the following is a correct match between the chromosome number and the syndrome?   A. Trisomy 18 : Patau syndrome   B. Monosomy 18 : Turner syndrome   C. XXXY : Klinefelter syndrome   D. Trisomy 21 : Edward syndrome