Genetics

Question 1

What is a gene/ DNA?

Answer 1

1. Something that contains key information that determines your physical traits

Question 2

How many chromosomes does each person have?

Answer 2

1. 46
2. 23 from each parent

Question 3

What’s it called when someone has an extra chromosome?

Answer 3

1. Trisomy

Question 4

What’s it called when someone has a missing chromosome?

Answer 4

1. Deletion

Question 5

What are the female chromosomes?

Answer 5

1. XX (Daughter cells)

Question 6

What are the male chromosomes?

Answer 6

1. XY

Question 7

What is the SRY gene?

Answer 7

1. A gene that kickstarts male development in utero
2. Helps to produce testosterone

Question 8

What is a genotype?

Answer 8

1. The genetic make up that you are born with

Question 9

What is a phenotype?

Answer 9

1. The physical characteristics that you are left with after environmental exposure

Question 10

What happens if the SRY gene is damaged?

Answer 10

1. A genetically male embryo can develop fully functioning, intact female reproductive organs

Question 11

What is a consequence of this theory?

Answer 11

1. It is reductionist
2. It suggests that genetic disorders are caused by one singular gene