1. Tardigrade
  2. Question
  3. Biology
  4. Statement I: Chromosome 1 has 231 genes and the Y has 2968 genes. Statement II: Repetitive sequences of DNA are thought to have direct coding function and shed light on chromosome structure, dynamics and evolution

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Q. Statement I: Chromosome $1$ has $231$ genes and the $Y$ has $2968$ genes.
Statement II : Repetitive sequences of DNA are thought to have direct coding function and shed light on chromosome structure, dynamics and evolution

Molecular Basis of Inheritance

Solution:

• Chromosome $1$ has most genes $(2968)$, and the $Y$ has the fewest $(231)$.
• Repetitive sequences are stretches of DNA sequences that are repeated many times, sometimes hundred to thousand times. They are thought to have no direct coding functions, but they shed light on chromosome structure, dynamics and evolution.