14 Questions
Which term best describes an individual who carries a recessive allele for a monogenic disorder but does not express the phenotype?
Carrier
What process is responsible for separating homologous chromosomes into sex cells during meiosis?
Segregation
What can happen if chromosomes fail to separate correctly during meiosis?
Nondisjunction
In Down syndrome, individuals have an extra copy of which chromosome?
Chromosome 21
Which genetic disorder is characterized by having three copies of chromosome 21?
Down syndrome
How can gene mutations occur in multifactorial inheritance disorders?
Due to mutagens exposure
What can be a factor that influences the expression of symptoms in multifactorial inheritance disorders?
Genetic and environmental factors together
What is the term for an individual who carries a recessive allele for a monogenic disorder but does not express the phenotype?
Carrier
Which process involves separating homologous chromosomes into sex cells during meiosis?
Assortment
What is the term for a genetic disorder caused by environmental factors and gene mutations?
Multifactorial inheritance disorder
Which disorder is characterized by having an extra copy of chromosome number 21?
Down syndrome
What is the term for the process where chromosomes fail to separate correctly during meiosis?
Nondisjunction
Which treatment approach shows promise for some monogenic disorders?
Gene therapy
What can be the result of translocation during meiosis?
Extra genetic material in gametes
Explore the concept of genes as sequences of DNA that determine traits and are inherited from parents. Learn about how genes signal the production of proteins and RNA, and how gene expression varies among different cell types.
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