biology 6.1-7.4

?
where are genes found?
in the chromosones
1 of 17
what do genes control?
development of characteristics(eye colour)
2 of 17
explain which type of reproduction produces geneticly indentical offspring(babies)?
asexual reproduction because there is only set of genes
3 of 17
explain which type of reproduction leads to variation of the off spring(babies)?
sexual
4 of 17
what are the two factors that control our chracteristics?
genes (eye colour) and enviomental(peircings)
5 of 17
name a quick,cheap way of clonning plants?
taking cuttings
6 of 17
why is it more differcult to successfully clone animals than plant?
animal embryos must be split
7 of 17
name two cells needed for adult clonning (animals)?
skin and egg
8 of 17
what is used to cut genes out?
enzymes
9 of 17
why do farmers grow gm crops?
they will get a higher yield =more money
10 of 17
how long ago did life begin on earth?
3 billion years ago
11 of 17
what name was given to darwins theory?
natural selection
12 of 17
which birds did darwin observe?
finches
13 of 17
why do organisms show a wide range of variation?
difference in genes
14 of 17
why are mutated genes sometimes an advantage?
envonment changes the gene may control the organism that is better adaptied conditions
15 of 17
what are the main kingdoms of living organisms?
animals, plans and microorganisms
16 of 17
why is it useful to draw evolutionary trees?
they show relationships between organisms
17 of 17

Other cards in this set

Card 2

Front

what do genes control?

Back

development of characteristics(eye colour)

Card 3

Front

explain which type of reproduction produces geneticly indentical offspring(babies)?

Back

Preview of the front of card 3

Card 4

Front

explain which type of reproduction leads to variation of the off spring(babies)?

Back

Preview of the front of card 4

Card 5

Front

what are the two factors that control our chracteristics?

Back

Preview of the front of card 5
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