Learning objective
Give a clear account of the way the sex of offspring is determined at fertilisation, using genetic diagrams.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
10
Flashcards
7
Questions
Topic
Genetics
Subtopic
Sex Determination at Fertilisation
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Quick explanation
Give a clear account of the way the sex of offspring is determined at fertilisation, using genetic diagrams
- This point belongs to Genetics, especially Sex Determination at Fertilisation.
- You need to be able to give a clear account of the way the sex of offspring is determined at fertilisation, using genetic diagrams.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Why it matters
This objective helps connect Sex Determination at Fertilisation to exam-style questions, flashcards, and revision notes for Genetics.
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Flashcards10 linked cards
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Practice Questions7 linked questions
Question 1 of 7
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Revision notestopic notes
Open the full topic revision notes when you are ready to review this objective in context.
Open revision notesRelated learning objectives
- Explain some of the benefits and limitations of asexual reproduction, covering the lack of need to find a mate, a rapid reproductive cycle, but no variation in the population.
Asexual Reproduction: Advantages and Disadvantages
- Explain some of the benefits and limitations of sexual reproduction, covering variation in the population, but the requirement to find a mate.
Sexual Reproduction: Benefits and Limitations
- Build an explanation of the role of meiotic cell division, covering the production of four daughter cells, each with half the quantity of chromosomes, and that this results in the formation of genetically distinct haploid gametes The stages of meiosis are not required.
Meiotic Cell Division and Gamete Formation
- Give a clear account of DNA as a polymer made up of: a two strands coiled to form a double helix b strands linked by a series of complementary base pairs joined together by weak hydrogen bonds c nucleotides that consist of a sugar and phosphate group with one of the four distinct bases attached to the sugar.
DNA Structure: The Double Helix
- Give a clear account of the genome as the entire DNA of an organism and a gene as a section of a DNA molecule that codes for a specific protein.
Understanding the Genome and Genes