Thames & Kosmos Genetics & DNA handleiding

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Thames & Kosmos

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Handleiding

Gregor Mendel was an extremely

multitalented person. He kept bees,

worked as a gardener and teacher,

occupied himself with research and

philosophy, and, starting in 1868, headed

the Augustinian monastery in Brünn (now

Brno, in the Czech Republic). Now let’s

take a look at what Gregor Mendel

discovered and how he discovered it.

HERE’S HOW

1. A red chip represents the program for

red ﬂowers, and a white one represents

the program for white ﬂowers. In each

plant, there will always be a

combination of two programs,

symbolized by two chips.

2. We have learned that each plant has

two copies of each program. Place all

possible combinations of the chip pairs

in the four boxes above.

You will ﬁnd the solution on page 47.

3. Think about which ﬂower color the

plants might have in each case. It will be

obvious in the two cases where both

chip programs represent the same color.

4. A particularly interesting case is when

two different programs are combined in

Mendel and the

Rules of Heredity

YOU WILL NEED

→ colored plastic chips

red white

the parent plants. Mendel thought of two

possible ways that the ﬂowers of such

offspring plants might look.

EXPERIMENT 7

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