Zadanie 6b
Explain how meiotic non-disjunction can produce a zygote with trisomy 21.
- Materiał graficzny
Explain how nondisjunction can generate an abnormal chromosome number, using Down syndrome as an example.
Tę umiejętność sprawdzają 4 zadania wzorowane na arkuszach IB z lat 2024–2025.
Explain how meiotic non-disjunction can produce a zygote with trisomy 21.
(a) Outline transcription. (b) Describe how nondisjunction can produce Down syndrome. (c) Explain the roles of named hormones in the development and functioning of male and female reproductive systems.
A genome browser provides access to human chromosomes and corresponding sequence information from other organisms. Discuss how such a database can be used to study human chromosome18.
A child has three copies of chromosome 13. A schematic chromosome complement is shown; lengths indicate approximate relative chromosome sizes. (i) Describe how this trisomy could arise during gamete production. (ii) Suggest why an extra copy of one of the…
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