year 10 biology

Question 1

What holds the genetic information?

Answer 1

The Nucleus

Question 2

What is DNA organised into?

Answer 2

DNA is organised into gens that are found on Chromosomes DNA -> Genes -> Chromosomes.

Question 3

What is a gene?

Answer 3

Genes are segments of DNA that code for a particular protein e.g eye colour.

Question 4

How many chromosomes do Humans have (pairs and total)?

Answer 4

Humans have 23 pairs, 46 total.

Question 5

What is a diploid?

Answer 5

A Diploid is a paired set of chromosomes in somatic cells.

Question 6

What are Somatic Cells?

Answer 6

Somatic cells are cells in the body. (exept sex cells)

Question 7

What are Gametes

Answer 7

Gametes are reproduction or sex cells.

Question 8

What is a Haploid

Answer 8

Haploid are the possession of one copy of each chromosomes in the cells 46/2 = 23

Question 9

What chromosomes do Females and Males have

Answer 9

Females have 2* X chromosomes
Males have X+Y chromosomes

Question 10

What is an Autosome

Answer 10

An Autosome is any chromosome not involved in sex determination.

Question 11

What combinations can you make with phenotypes

Answer 11

AA, aa, Aa

Question 12

Is it a high chance to get all the same traits

Answer 12

it is a very low chance

Question 13

What is an allele

Answer 13

They are the different forms of a gene eg blue eyes

Question 14

What are dominant alleles

Answer 14

They will always be expressed when they’re present

Question 15

What is a genotype

Answer 15

the alleles that a person has eg Bb

Question 16

What is a phenotype

Answer 16

the trait that is visible eg brown eyes

Question 17

What does DNA stand for

Answer 17

Deoxynucleic acid

Question 18

What are proteins

Answer 18

They are large very complex molecules

Question 19

What are proteins made up of

Answer 19

Amino Acids

Question 20

How are proteins unique

Answer 20

Each protein has a specific function and shape