La genética

What is the basic unit of heredity?
Gene
Chromosome
DNA
Protein
Which of the following genetic disorders is caused by a missing or damaged X chromosome?
Down syndrome
Turner syndrome
Klinefelter syndrome
Huntington's disease
What is the process by which genetic information is copied from DNA to RNA?
Transcription
Translation
Replication
Mutation
Which of the following is NOT a type of genetic mutation?
Deletion
Insertion
Substitution
Inversion
Replication
What is the probability of having a child with cystic fibrosis if both parents are carriers of the CF gene?
25%
50%
75%
100%
What is the term for the observable characteristics or traits of an organism?
Genotype
Phenotype
Allele
Homozygous
Which of the following is an example of a dominant genetic disorder?
Huntington's disease
Sickle cell anemia
Cystic fibrosis
Marfan syndrome
What is the term for the study of how genes and traits are passed from parents to offspring?
Genetics
Evolution
Heredity
Mutation
Which of the following is NOT a type of genetic inheritance pattern?
Autosomal recessive
X-linked dominant
Y-linked
Mitochondrial
Polygenic
What is the term for the process by which new species arise from existing species over time?
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