Cell Division (OCR GCSE Biology A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What are chromosomes made up of?
What are chromosomes made up of?
Long, tightly coiled strands of DNA
What are genes?
What are genes?
Short sections of DNA on chromosomes
What do genes provide instructions for?
What do genes provide instructions for?
Making specific proteins
What do genes influence?
What do genes influence?
Particular characteristics or traits
How many pairs of chromosomes are in human body cells?
How many pairs of chromosomes are in human body cells?
23 pairs
What is the total number of chromosomes in human body cells?
What is the total number of chromosomes in human body cells?
46
How many chromosomes do sex cells (gametes) contain?
How many chromosomes do sex cells (gametes) contain?
23 chromosomes
Where do you inherit your chromosomes from?
Where do you inherit your chromosomes from?
One of each pair from each parent
How many chromosomes does an embryo have after fertilisation?
How many chromosomes does an embryo have after fertilisation?
46
What is the role of the nucleus in a cell?
What is the role of the nucleus in a cell?
Control centre containing genetic info