eyes probably result from the interaction of multiple variants within the genes. They are common in Celtic and Dutch people. A study of Icelandic and Dutch adults found green eyes to be more common in women than in men. World-wide the percentage of people with green eyes is estimated to be around 1-2%. eyes often appear to shift in colour from a brown to a green. Although hazel mostly consists of brown and green, the dominant colour in the eye can either be brown/gold or green. Hazel eyes are common throughout Caucasian populations, mainly in regions where blue, green and brown eyed peoples are intermixed. What colour eyes do people in your class have? Sketch a graph showing the frequency of different eye colour for your class. ‘typical How could Bex, Cora and Doris decide on what eye colour they should give their face’? Bex, Cora and Doris decide that they will write “hazel”, ”brown” and “grey” on 3 pieces of card and put the cards in a box. They will shuffle the cards, draw out one card and note the colour, return the card to the box, shuffle and then draw out a second card. ‘typical The two colours picked will become the colours of the eyes on their face’. QUESTION I wonder if… ..it is more likely that the ‘typical face’ will have two eyes the same colour (a match) or have eyes that are different colours? Why do you think so? Investigate this by firstly… PLAN 1 We will use Bex, Cora and Doris’ idea and first investigate this by a data gathering approach. Put three cards, one of each colour eye, in a box. Shuffle the cards, draw out one card and note the colour, return the card to the box, shuffle and then draw out a second card. Do this 10 times and record each pair of eye colours: DATA 1
eyes probably result from the interaction of multiple variants within the genes. They are common in Celtic and Dutch people. A study of Icelandic and Dutch adults found green eyes to be more common in women than in men. World-wide the percentage of people with green eyes is estimated to be around 1-2%. eyes often appear to shift in colour from a brown to a green. Although hazel mostly consists of brown and green, the dominant colour in the eye can either be brown/gold or green. Hazel eyes are common throughout Caucasian populations, mainly in regions where blue, green and brown eyed peoples are intermixed. What colour eyes do people in your class have? Sketch a graph showing the frequency of different eye colour for your class. How could Bex, Cora and Doris decide on what eye colour they should give their ‘typical face’? Bex, Cora and Doris decide that they will write “hazel”, ”brown” and “grey” on 3 pieces of card and put the cards in a box. They will shuffle the cards, draw out one card and note the colour, return the card to the box, shuffle and then draw out a second card. The two colours picked will become the colours of the eyes on their ‘typical face’. QUESTION I wonder if… ..it is more likely that the ‘typical face’ will have two eyes the same colour (a match) or have eyes that are different colours? Why do you think so? Investigate this by firstly… PLAN 1 We will use Bex, Cora and Doris’ idea and first investigate this by a data gathering approach. Put three cards, one of each colour eye, in a box. Shuffle the cards, draw out one card and note the colour, return the card to the box, shuffle and then draw out a second card. Do this 10 times and record each pair of eye colours: DATA 1
The-Eyes-Have-It.docx