DNA and chromosomes

Question 1

list the diffrences between eukatyotic and prokaryotic DNA?

Answer 1

prokaryotic:shorter , circular , naked (not associated with any histones ) ,not chromosomes
eukaryotic : longer , linear ,assosiated with histones , chromosomes

Question 2

when are chromosomes visible ,distinct structure ?

Answer 2

when a cell is dividing

Question 3

describe a chromosomes structure at the start of cell division ?

Answer 3

2 chromatids joined by a centromere

Question 4

what is a homologous chromosome ?

Answer 4

one of each pair is a maternal chromosome and one is a paternal chromosome

Question 5

what is the total number of chromosomes in cells with homologous chromosomes called?

Answer 5

diploid number

Question 6

what is the diploid number in humans ?

Answer 6

46

Question 7

what do homologous always have the same and what do they have not always same ?

Answer 7

always same genes but not always same alleles of genes

Question 8

what is an allele ?

Answer 8

one of a number of alternative forms of a gene

Question 9

where do we inherit our alleles from?

Answer 9

one from each gene

Question 10

how are allele different ?

Answer 10

diffrent base sequence so diffrent amno acid produced