Zadanie 4b
Describe two kinds of DNA sequence mutation.
Recognizing molecular changes in genes
Distinguish base substitutions, insertions and deletions by comparing original and mutated DNA sequences.
Tę umiejętność sprawdza 5 zadań wzorowanych na arkuszach IB z lat 2025–2026.
Zadania sprawdzające tę umiejętność: 5 Otwórz w wyszukiwarce z filtrami
Zadanie 6
The same DNA region is sequenced before and after replication. Original: ACGTCCATGATC Replicated: ACGTTCATGATC Which change is present? A. One base has been replaced while sequence length stays constant B. One extra triplet has been inserted C. One nucleotide…
Zadanie 4b
Identify one DNA mutation type that UV exposure can cause.
- Materiał graficzny
Zadanie 7
Changes in genetic material can have different consequences. (a) Outline how mutations can contribute to cancer. (b) Outline one human disease caused by an autosomal recessive allele. (c) Explain the role of mutation in evolution. One additional mark is…
Zadanie 8
A DNA segment changes from GGA TCA AAC GTT to GGA TGA AAC GTT. Which type of change occurred? A. A whole chromosome was duplicated B. One nucleotide was inserted without replacement C. One base was replaced by another D. Three nucleotides were deleted