Genetics

Kappy

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:lol: xd i lol'd

[nerd]

Yep. And on the other hand, a person with slow metabolism can be thin and fit but needs to make sure to eat healthy. However, they will likely require more effort to work out and so on...

[/nerd]
Lol

This sucks... I eat like a fatass and this is why I never gain weight? :(
I guess I'll stop eating unhealthy and excersize more. O_O
I don't want to be a sterotype that's already around the world about fat people in America. T_T
 

Lawliet

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How does the environment affect it?
There are some characteristics that you inherit from your parents that need factors from the environment in order for them to show or be 'hidden'. For example if someone inherited a gene to be obese from their parents, it's not necessarily true that they will develop obesity. This is where the environment comes in.

So there are two cases; 1. The person may have a normal healthy life style, exercise, eat healthy, lots of fruits and vegs etc, therefore even though they do have the gene to be obese, they will not 'show' it and it becomes 'hidden' because their environment is normal and healthy.

2. The person may have a unhealthy life style, no exercise, eating unhealthy, eating fast food, junk food etc, and since they have the gene for obesity, they will be obese since their environment allows that gene to 'show'.
 

Kappy

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There are some characteristics that you inherit from your parents that need factors from the environment in order for them to show or be 'hidden'. For example if someone inherited a gene to be obese from their parents, it's not necessarily true that they will develop obesity. This is where the environment comes in.

So there are two cases; 1. The person may have a normal healthy life style, exercise, eat healthy, lots of fruits and vegs etc, therefore even though they do have the gene to be obese, they will not 'show' it and it becomes 'hidden' because their environment is normal and healthy.

2. The person may have a unhealthy life style, no exercise, eating unhealthy, eating fast food, junk food etc, and since they have the gene for obesity, they will be obese since their environment allows that gene to 'show'.
Ohh I get it. xd
Are there any fast runners in your family? Which is your X chromosome? Did you get it from your dad or mom?

What X chromosome?
Well I think both are. I don't really know my dad as much but I know my mom is really fast but she got fat from eating boxes of cupcakes and 2 large pizzas by herself. :|
 

Lawliet

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Ohh I get it. xd



What X chromosome?
Well I think both are. I don't really know my dad as much but I know my mom is really fast but she got fat from eating boxes of cupcakes and 2 large pizzas by herself. :|
Females have two X chromosomes and males have one X and one Y
This makes his question wrong now, since you're going to get one X chromosome from your dad [the only one he has] and one from your mum. [one of the two she has] :D
 

Kappy

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Females have two X chromosomes and males have one X and one Y
This makes his question wrong now, since you're going to get one X chromosome from your dad [the only one he has] and one from your mum. [one of the two she has] :D
Oh! I remeber those! We learned about them in 5th grade... wait no, I read it in a book last year and ripped out the picture... with the colorful sperm >_>...
But anyways I remember something like that but not excactly. Hmm....What do they do? o:
 

Bodhisattva

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Females have two X chromosomes and males have one X and one Y
This makes his question wrong now, since you're going to get one X chromosome from your dad [the only one he has] and one from your mum. [one of the two she has] :D
Exactly. There are actually multiple genes associated with how quickly or slowly one gains (or loses) weight. But if you eat right and exercise regularly, it shouldn't be a problem either way.
 

Lawliet

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Oh! I remeber those! We learned about them in 5th grade... wait no, I read it in a book last year and ripped out the picture... with the colorful sperm >_>...
But anyways I remember something like that but not excactly. Hmm....What do they do? o:
Ha.

They just determine characteristics that make up you.
When a haploid gamete [From your mother] fuses with another haploid gamete [From your father] it forms a diploid zygote. Haploid means it has half the number of chromosomes (23) And all the cells in your body e.g eye cell, skin cell, muscle cell; are diploid apart from the *** cells which are always haploid.

For every gene there are alleles which are just opposite/alternate forms of a characteristic. So a person might get a gene from the mother saying to have blue eyes but a gene from the father saying to have brown eyes, the one that is dominant over the other will show in the individual. In this case brown is dominant over blue so the individual will have brown eyes.
 

Bodhisattva

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Oh! I remeber those! We learned about them in 5th grade... wait no, I read it in a book last year and ripped out the picture... with the colorful sperm >_>...
But anyways I remember something like that but not excactly. Hmm....What do they do? o:
Check this out if you really want to understand genes.

U_U

 

Bodhisattva

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Ha.

They just determine characteristics that make up you.
When a haploid gamete [From your mother] fuses with another haploid gamete [From your father] it forms a diploid zygote. Haploid means it has half the number of chromosomes (23) And all the cells in your body e.g eye cell, skin cell, muscle cell; are diploid apart from the *** cells which are always haploid.

For every gene there are alleles which are just opposite/alternate forms of a characteristic. So a person might get a gene from the mother saying to have blue eyes but a gene from the father saying to have brown eyes, the one that is dominant over the other will show in the individual. In this case brown is dominant over blue so the individual will have brown eyes.
Thanks, Prof. Lawliet... xd
 

Kappy

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Ha.

They just determine characteristics that make up you.
When a haploid gamete [From your mother] fuses with another haploid gamete [From your father] it forms a diploid zygote. Haploid means it has half the number of chromosomes (23) And all the cells in your body e.g eye cell, skin cell, muscle cell; are diploid apart from the *** cells which are always haploid.

For every gene there are alleles which are just opposite/alternate forms of a characteristic. So a person might get a gene from the mother saying to have blue eyes but a gene from the father saying to have brown eyes, the one that is dominant over the other will show in the individual. In this case brown is dominant over blue so the individual will have brown eyes.
These big words make me excited! =D
Don't ask why. :|
I sort of understand it.
 
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