IB Biology SL D3.2.1 Haploid Gametes Fusion Diploid Zygote Questions

Identify haploid gamete genotypes and explain why each gamete carries one chromosome set in IB Biology SL D3.2.1.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Identify a normal gamete genotype as haploid, with one chromosome set and one allele of each gene.

IB Biology SL D3.2.1 Haploid Gametes Fusion Diploid Zygote Questions question 1

[Maximum number: 1]

For what reason do gametes contain only one allele of each gene?

A

To prevent inbreeding in a population

B

Haploid cells contain only one set of chromosomes

C

The two alleles of a gene are separated during mitosis

D

Crossing over will always produce one allele of a gene

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