Which of the following statements regarding balanced reciprocal translocations is incorrect?

Which of the following correctly defines the adjacent-1 segregation?

In a person with a balanced reciprocal translocation, the result of fertilizations between a normal gamete and a gamete created by alternative segregation is:

Determine the type of chromosomal rearrangement because of which it is possible for a child with 46 chromosomes to have Patau syndrome.

Determine which of the following statements about Robertsonian translocation is incorrect.

What is true for the number of chromosomes present in a cell during a balanced reciprocal translocation?