VCE Biology Question Thread

[dankfrank420]

It doesn't really matter how difficult it is, its how well you do compared to other people. It'll be more difficult for everybody.

[Reus]

It doesn't really matter how difficult it is, its how well you do compared to other people. It'll be more difficult for everybody.

I like the way you think haha

[soNasty]

How's everyone going with Bio? Where are you all up to in the course so far?
Our class has just finished translation, and we'll be onto evolution soon.
To be honest, I'm barely putting any effort into bio lately, when really should be. I shouldn't rely on being rank 1, because that can change after any sac if I'm not consistent.
But yeah, how are you all coping?
Bio has definitely inspired me to major in immunology at uni, seems really fun.

[Reus]

How's everyone going with Bio? Where are you all up to in the course so far?
Our class has just finished translation, and we'll be onto evolution soon.
To be honest, I'm barely putting any effort into bio lately, when really should be. I shouldn't rely on being rank 1, because that can change after any sac if I'm not consistent.
But yeah, how are you all coping?

Coping well, up to pedigrees actually but in saying that, personally I'm up to cell division as far as my notes are concerned. Just find it hard to keep up, when I have another 4 subjects to worry about. 

Bio has definitely inspired me to major in immunology at uni, seems really fun.

Same goes tbh haha

[Micheal Jackson]

I think the low level of difficulty was due to the fact that it was the first year of the new study design (and combining of units 3 and 4.) I have a feeling that this year's exam will be more difficult, but hopefully it won't be too bad!

A harder exam is actually better, because it helps separate people out. In an easy exam, pretty much everyone does well, and they will mark more harshly

[nerdmmb]

Can someone please explain the process of the southern blot technique and how it differs from gel electrophoresis..

Thanks!

[Rishi97]

In what phase does translocation occur?

[nerdmmb]

In what phase does translocation occur?

Prophase I and Metaphase I in meiosis.

[psyxwar]

Can someone please explain the process of the southern blot technique and how it differs from gel electrophoresis..

Thanks!

I'm pretty sure southern blotting is not on the course. I wouldn't worry about it if I were you

[nhmn0301]

In what phase does translocation occur?

Just adding up to what nerdmmb has said:
Translocation does not just happen in meiosis, in fact, some cancers are caused by translocation too (which mean this can occur in somatic cells, not restricted to just meiosis).

[dankfrank420]

What are the advantages of meiosis?

How does gene linkage affect the genotype of the offspring? (What is the impact of linkage on offspring?)

What is recombination and what are recombinants?

How do you justify whether a trait is dominant or recessive, looking at a pedigree chart?

[Jason12]

what is a good definition for complete dominance?

Also what's the difference between back and test cross? What are they used for?

[alchemy]

what is a good definition for complete dominance?

Also what's the difference between back and test cross? What are they used for?

Complete dominance is when the effect of one allele entirely masks the other. Thus, there are no intermediate phenotypes, unlike incomplete dominance.
Back cross in when you cross an offspring with its parent or organisms that are genetically similar to its parent. Back crosses are usually done with plants.
Test cross is to cross an organism with a homozygous recessive organism. It can help identify the genotype of the organism you perform the test cross with, if it's genotype was indeed unknown.

[Jason12]

difference between co dominance and incomplete dominance?

[howlingwisdom]

difference between co dominance and incomplete dominance?

Co dominance is when both traits are expressed together equally and the full effects of both alleles is visible in the phenotype of a heterozygote. Incomplete dominance is when the partial effects of both alleles are visible in the phenotype of a heterozygote