Chromosomes and Genes (Leaving Cert Biology): Quizzes
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12 questions from this quiz
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Practise the questions
12 questions from this quiz
Where in the cell are chromosomes found?
Where in the cell are chromosomes found?
In the nucleus
What is chromatin?
What is chromatin?
Thread-like form of chromosomes
What proteins do DNA molecules wrap around in chromosomes?
What proteins do DNA molecules wrap around in chromosomes?
Histones
What structure does the DNA molecule form?
What structure does the DNA molecule form?
Double helix
How many chromosomes do humans typically have per cell?
How many chromosomes do humans typically have per cell?
46
What is a gene?
What is a gene?
A DNA section coding for a protein
What is the genome?
What is the genome?
All genetic material in an organism
What are gametes in animals?
What are gametes in animals?
Sperm and egg cells
How is nuclear DNA inherited from parents?
How is nuclear DNA inherited from parents?
Equally from both parents
What does genetics study?
What does genetics study?
How DNA sequences are inherited
What does epigenetics study?
What does epigenetics study?
Gene expression without DNA changes
What does methylation do to genes?
What does methylation do to genes?
Prevents genes from working