Revision

?
sex cells e.g. sperm and egg.
gametes.
1 of 12
structure containing DNA, found in the nucleus.
chromosomes.
2 of 12
small section of DNA on a chromosome.
gene.
3 of 12
alternative form of a gene, inherited by both parents.
allele.
4 of 12
problem of embryo screening related to money e.g. embryo screening can be expensive.
economic.
5 of 12
problem of embryo screening related to right/wrong and fairness e.g. it implies that people with certain genetic disorders are 'undesirable' and could increase prejudice.
ethical.
6 of 12
problem of embryo screening related to people and society e.g. it can mean the parents might have to decide whether or not to terminate a pregnancy, not an easy descision.
social.
7 of 12
a recessive gene, a sufferer requires two copies of the faulty gene, causes red blood cells to change shape, form clumps and get trapped in blood vessels.
sickle cell anaemia.
8 of 12
a dominant gene, only one parent requires the gene and the disorder is passed on through generations. affects a persons nervous system.
huntingtons disease.
9 of 12
a dominant gene, one parent has to have the disorder to pass it on, extra fingers or toes.
polydactyly.
10 of 12
a recessive gene, parents can be healthy and carry the gene to pass down onto their child. disorder makes them prone to infections.
cystic fibrosis.
11 of 12
process to modify the genome of an organism by introducing a gene from another organism to give a desired characteristic.
genetic engineering.
12 of 12

Other cards in this set

Card 2

Front

structure containing DNA, found in the nucleus.

Back

chromosomes.

Card 3

Front

small section of DNA on a chromosome.

Back

Preview of the front of card 3

Card 4

Front

alternative form of a gene, inherited by both parents.

Back

Preview of the front of card 4

Card 5

Front

problem of embryo screening related to money e.g. embryo screening can be expensive.

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Science resources:

See all Science resources »See all Genetic variation resources »