Sex Determination (AQA GCSE Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
How many pairs of chromosomes do human body cells have?
How many pairs of chromosomes do human body cells have?
23 pairs
How many chromosome pairs control characteristics?
How many chromosome pairs control characteristics?
22 pairs
Which pair of chromosomes carries sex determining genes?
Which pair of chromosomes carries sex determining genes?
The 23rd pair
How do Y chromosomes compare in size to X chromosomes?
How do Y chromosomes compare in size to X chromosomes?
Y chromosomes are much smaller
What are the two possible chromosomes in the 23rd pair?
What are the two possible chromosomes in the 23rd pair?
X and Y chromosomes
What happens to sex chromosomes during meiosis?
What happens to sex chromosomes during meiosis?
One sex chromosome goes into each gamete
What sex chromosomes do females have?
What sex chromosomes do females have?
Two X chromosomes
What chromosomes do females pass on in their eggs?
What chromosomes do females pass on in their eggs?
Only X chromosomes
What sex chromosomes do males have?
What sex chromosomes do males have?
One X and one Y chromosome
What chromosomes can males pass in their sperm?
What chromosomes can males pass in their sperm?
X or Y chromosomes
What is the chance of a child being male?
What is the chance of a child being male?
50%
What is the chance of a child being female?
What is the chance of a child being female?
50%