Inheritance
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Chromosomes, genes and proteins
SubtopicChromosomes, genes and proteins under Inheritance for Grade 12 IGCSE.
Preview questions (no answers)
- 1.
Based on the diagram showing the inheritance of sex in humans, which combination of gametes results in a male zygote?
A.Egg and Sperm
B.Egg and Sperm
C.Egg and Sperm
D.Egg and Sperm
- 2.
Which of the following is the correct location for chromosomes within a eukaryotic cell?
A.Chloroplast
B.Nucleus
C.Cytoplasm
D.Ribosome
- 3.
In humans, the diploid number of chromosomes is 46. How many chromosomes are present in a human haploid gamete?
A.92
B.46
C.23
D.22
Download the worksheet for Inheritance - Chromosomes, genes and proteins to practice offline. It includes additional chapter-level practice questions.
Monohybrid inheritance
SubtopicMonohybrid inheritance under Inheritance for Grade 12 IGCSE.
Preview questions (no answers)
- 1.
Based on the diagram showing the fusion of gametes during human fertilization, what is the mathematical probability that the zygote will develop into a male offspring?
A.25%
B.75%
C.50%
D.100%
- 2.
If a pure-breeding plant with purple flowers () is crossed with a pure-breeding plant with white flowers (), what will be the genotype of all the offspring in the generation?
A.B.C.D. - 3.
A plant has the genotype . Which of the following terms best describes this individual?
A.Heterozygous
B.Homozygous recessive
C.Homozygous dominant
D.Hemizygous
Download the worksheet for Inheritance - Monohybrid inheritance to practice offline. It includes additional chapter-level practice questions.
Mitosis and Meiosis
SubtopicMitosis and Meiosis under Inheritance for Grade 12 IGCSE.
Preview questions (no answers)
- 1.
During which phase of the cell cycle does DNA replication occur?
A.Prophase
B.Metaphase
C.Anaphase
D.Interphase
- 2.
Which statement accurately describes the daughter cells produced at the end of mitosis?
A.Four genetically unique haploid cells
B.Two genetically unique diploid cells
C.Two genetically identical diploid cells
D.Four genetically identical haploid cells
- 3.
How many chromosomes are typically found in a healthy human sperm cell?
A.23
B.46
C.92
D.44
Download the worksheet for Inheritance - Mitosis and Meiosis to practice offline. It includes additional chapter-level practice questions.