Genetics Answers

Does the amount of histone proteins increase during different levels of condensation ( nucleosome solenoid fibers chromosome)?

1 Regardless of the different types of genes, a gene is best described as:
a- DNA coding sequence b- RNA coding sequence c- a protein coding sequence
Explain please

1- Consider a peptide of 30 amino acids. How many rounds of elongation were there during the translation?
a- 30 b-10 c-29 d-28 cycles
2- the open reading frame of the mRNA consists then of: (for the given above)
a-29 sense codons b-30 sense codons c-31 sense codons d-29 codons

Which structure move during translation? Is it ribosomes or mRNA?

1 What is the direction of the leading strand in replication? 5'-->3' or 3'-->5'
2 What is the direction of replication on it?

1 What is the difference between dna ligase dna pol I and dna pol delta
2 does okazaki fragments joining begin during replication or after the end of elongation of replication?!

1 How many replication forks are in bacteria?
2 how many replication forks are in one replication bubble?

Can we say about a nucleoside Di or Triphosphate a nucleotide? Or nucleotides are exclusively nucleoside monophosphate?

What does the gene product sry do if it’s not working properly

In rabbits short hair S is dominant over long hair s. In the cross Ss x Ss what is the probability of three offspring all having long hair