Linker DNA comprises the rest of the repeating unit. Its length varies from as little as 8 bp to as many as 114 bp per nucleosome.

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#Unit 8. Inheritance Biology

Chromosomes are classified into four basic

a. Metacentric chromosome

b. Submetacentric chromosome

c. Acrocentric chromosome

d. Telocentric chromosome

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#Unit 8. Inheritance Biology

Chromosome mutation- Difference from the wild type in the number or structure.

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#Unit 8. Inheritance Biology

Chromosome Mutations

a. Chromosome rearrangements

b. Aneuploidy

c. Polyploidy

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#Unit 8. Inheritance Biology

G bands- staining via Giemsa dye, distinguish areas of DNA that are rich in adenine-thymine (A–T) base pairs.

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#Unit 8. Inheritance Biology

R bands detects rich in cytosine–guanine base pairs.

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#Unit 8. Inheritance Biology

Q bands staining with quinacrine mustard and viewing the under ultraviolet light; variation in the brightness of Q bands results from differences in the relative numbers of C-G and A-T base pairs.