Nondisjunction of a chromosome results in which of the following diagnoses? a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two copies of a particular chromosome (nondisjunction) Down syndrome results from three number 21 chromosomes. b) Huntingon Disease Huntington disease is one example of a germ-line mutation. c) Duchenne Muscular Dystrophy Duchenne muscular dystrophy, an inherited form of muscular dystrophy, is an example of a genetic caused by structural gene mutations. d) Marphan Syndrome Marphan Syndrome is a genetic condition that may occur in a single family member as a result of spontaneous mutation.

Nondisjunction of a chromosome results in which of the
following diagnoses?
a) Down Syndrome
When a pair of chromosomes fails to separate completely and creates
a sperm or oocyte that contains two copies of a particular chromosome
(nondisjunction) Down syndrome results from three number 21
chromosomes.
b) Huntingon Disease
Huntington disease is one example of a germ-line mutation.
c) Duchenne Muscular Dystrophy
Duchenne muscular dystrophy, an inherited form of muscular
dystrophy, is an example of a genetic caused by structural gene
mutations.
d) Marphan Syndrome
Marphan Syndrome is a genetic condition that may occur in a single
family member as a result of spontaneous mutation.
by

1 Answer

Answer :

a) Down Syndrome
When a pair of chromosomes fails to separate completely and creates
a sperm or oocyte that contains two copies of a particular chromosome
(nondisjunction) Down syndrome results from three number 21
chromosomes.
by

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