B1 - You and Your Genes

What are the two factors that affect someone's appearance?

Give an example!

Put these in size order, largest to smallest:

nucleus, chromosome, cell, gene

What are genes?

What is a structural protein?

What is a functional protein?

What are clones?

Do they occur in Nature?

What is an inherited disorder?

How many (non paired) chromosomes in a normal cell, a sex cell and a fertilised egg?

What gene causes the male's testes to develop in a 6-week-old embryo?

What are hormones?

Chromosomes come in pairs. Do the chromosomes in each pair have the same sets of genes or not?

What are alleles?

What is your genotype and your phenotype?

The D allele is dominant. What does this mean?

What is a Punnett square?

The d allele is recessive. What does this mean?

If you inherit both alleles exactly the same, what are you for that characteristic?

If you inherit different alleles, what are you for that characteristic?

Some disorders are single gene disorders. What does this mean?

What is cystic fibrosis?

Jim has the alleles Ff. What does this make him when a disease is recessive?

There are two tests that can take place during a pregnancy to see whether a child has a genetic disorder. What are they, without descriptions?

Describe an amniocentesis test? Include miscarriage risk and when the results can be taken.

Describe a chorionic villus test? Include miscarriage risk and when the results can be taken.

What is an ethical question?

Give an example of an ethical question (that relates to this subject).

Why might someone believe terminating a pregnancy is wrong?

Why might someone believe terminating a child is okay?

What's a false negative and a false positive?

What is genetic screening?

How can genetic testing be used to find the correct treatments?

What are the 3 reasons someone may want to be genetically tested?

Why shouldn't insurance company's know the results of genetic tests?

How do the police use genetic information?

What is PGD?

Why would people be against PGD?

Why would people be pro PGD?

What is asexual reproduction?

What are stem cells?

Why do some people want to clone human cells within embryos?

Why are embryonic stem cells more useful than adult ones?