Which is caused when there is a permanent change to the sequence of a gene?
answer
mutation
question
A chromosome has an inversion. Which describes a pericentric inversion?
answer
switching of genes around the centromere
question
If nondisjunction occurs and an individual survives, which disorder can occur?
answer
Klinefelter syndrome
question
On which feature is pseudoscience based
answer
static information that does not change
question
Chromosomal mutations can have a variety of effects on individuals. Klinefelter syndrome is a genetic disorder that occurs when a male has an extra copy of the X chromosome. Males who have this disorder exhibit characteristics such as producing little or no facial hair, having a less muscular body than other males, and sterility.
Karyotype of Klinefelter syndrome
mc011-1.jpg
Which type of chromosomal mutation causes Klinefelter syndrome?
answer
nondisjunction
question
Which best describes chromosomal deletion?
answer
occurs when part of a chromosome breaks off and does not reattach
question
On which feature is science based?
answer
detailed research with reliable sources
question
Consider the diagram.
mc005-1.jpg
Which chromosomal change is represented?
answer
insertion
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