Explain how mutations create multiple alleles in a gene pool while a diploid individual carries at most two per locus.
Tę umiejętność sprawdzają 3 zadania wzorowane na arkuszach IB z lat 2022–2026.
Consider a normal diploid human skin cell in G1, before its DNA is replicated. How many copies of a particular autosomal gene does it normally possess? A. One copy in total B. Two copies, one on each homologous chromosome C. Twenty-three copies, one per…
Consider connections between biological processes at different levels of organization. (a) Outline how mitosis preserves hereditary information in new cells. (b) Describe the role of DNA variation in speciation. (c) Explain the genetic basis of inheritance…
Which description best defines alleles of a gene? A. Alternative versions of that gene with differences in DNA sequence B. Different organelles containing exactly the same protein C. All unrelated genes found on one chromosome D. Proteins that must always give…
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