7.5 Flashcards
(9 cards)
1
Q
What is deletion
A
a gene is deleted from the chromosome
2
Q
what is duplication
A
a part of the chromosome is duplicated
3
Q
what is inversion
A
parts of the chromosome are mixed around
4
Q
what is translocation
A
part of the chromosome is traded with another chromosome
5
Q
when can nondisjunction happen
A
meiosis 1 and 2
6
Q
what is produced when there is nondisjunciton in miosis 1
A
two zygotes and two empty cells are created
7
Q
What is produced when there is nondisjuntion in miosis 2
A
two gametes, one zygote and one empty cell
8
Q
how many of each chromosome does each gamete contain
A
1
9
Q
how may of each allele is there of each gene in a gamete
A
1