Cell Division (OCR GCSE Biology A, Combined (Gateway Science Suite)): Flashcards
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14 cards from this deck
Chromosomes
Chromosomes
Structures made of DNA that organize genetic information
What chromosomes are made of
What chromosomes are made of
Long, tightly coiled strands of DNA
Genes
Genes
Short sections of DNA on chromosomes
What each gene provides
What each gene provides
Instructions for making a specific protein
What genes influence
What genes influence
Particular characteristics or traits
How many genes per chromosome
How many genes per chromosome
Many genes
Chromosome pairs in human body cells
Chromosome pairs in human body cells
23 pairs
Total chromosomes in human body cells
Total chromosomes in human body cells
46 chromosomes
Source of one chromosome in each pair
Source of one chromosome in each pair
One from mother, one from father
Examples of sex cells (gametes)
Examples of sex cells (gametes)
Sperm and egg cells
Chromosomes in sex cells (gametes)
Chromosomes in sex cells (gametes)
23 chromosomes (one from each pair)
Chromosomes after fertilization
Chromosomes after fertilization
46 chromosomes (full set)
Function of the nucleus
Function of the nucleus
Control centre of the cell
What the nucleus contains
What the nucleus contains
Genetic information