year 10 bioligy

Question 1

how many chromosomes do we get from each parent?

Answer 1

26

Question 2

where is dna found?

Answer 2

In the nucleas

Question 3

What are the four nitrogenouse bases?

Answer 3

Adenine, Thymine, Cytosine, guanine

Question 4

What makes a Nucliotide?

Answer 4

Phosphate, pentose sugar and Nitrogenouse base

Question 5

How are nitrogenouse base connected together?

Answer 5

They are joined together by complementary base pairing, where each base will bond with a specific base

Question 6

What are the rules of nitrogenouse paired bases?

Answer 6

A-T
C-G

Question 7

How is the imformation organised?

Answer 7

DNA to / to chromosome

Question 8

Why are everybody different?

Answer 8

Becuase genetics are based of probabilitie of your parents

Question 9

what is a genotype?

Answer 9

The alleles that people have

Question 10

what is a phenotype?

Answer 10

The trait that is seen on a person

Question 11

what is a autosome?

Answer 11

any chromosome not involved in sex determination

Question 12

what is a allele?

Answer 12

two versions of a gene

Question 13

what are the importance of protien?

Answer 13

It gives us our traits

Question 14

what are dominant alleles?

Answer 14

They will always be expressed as a uppercase letter

Question 15

what is a gene?

Answer 15

Segments of our DNA that code for a specific cell

Question 16

what are gametes?

Answer 16

Reproduction or sex cells

Question 17

what is a karyotype?

Answer 17

Visualisation of individual chromosomes

Question 18

what is a karyotype used for?

Answer 18

to look at your abnormal structure

Question 19

what does homologous mean?

Answer 19

chromosomes are the same size/shape and carry some genes

Question 20

what is down syndrome?

Answer 20

having one extra chromosome

Question 21

what is turnersyndrome?

Answer 21

Monospy X you only have one x

Question 22

what are klinesselters?

Answer 22

XXY= extra X