Scelta multipla
Novel combinations of genes can arise from _______.
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3. Extensions to Mendelian Inheritance
Overview of interacting Genes
Scelta multipla
A protein disk that attaches two chromatids to each other in a chromosome is called a:
A
chromatin
B
centromere
C
telomere
D
kinetochore
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Understand the structure of a chromosome: it consists of two sister chromatids joined together.
Recall that the point where the two sister chromatids are physically connected is crucial for chromosome stability and proper segregation during cell division.
Identify the protein disk that holds the sister chromatids together at this central region.
Recognize that this connecting region is called the centromere, which serves as the attachment site for spindle fibers during mitosis and meiosis.
Differentiate the centromere from other chromosome parts such as chromatin (the DNA-protein complex), telomeres (chromosome ends), and kinetochores (protein structures assembled on the centromere).
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