Question

Polytene chromosomes are joined at a point called:

• A. Centrosome
• B. Chromocenter
• C. Chromomere
• D. Kinetochore

Answer 1

Answer:

B. Chromocenter

• Polytene chromosomes are large chromosomes found in the salivary glands of insects.

• Balbiani discovered them in 1881.

• They're also known as salivary gland chromosomes because they were discovered in the salivary glands. Because they have a lot of chromonemata, they're called polytene.