GENETIC DIVERSITY & NATURAL SELECTION:A-LEVEL.Help understanding directional & stabilising selection
Learn the definition of genetic diversity, evolution and the process of natural selection. I then apply this information to two graphs to demonstrate direction selection and stabilising selection.
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Пікірлер: 32
You make biology interesting to learn. I am soo surprise how many people don't know your channel yet
@MissEstruchBiology
2 жыл бұрын
ahh thank you!!! 😊
When the teacher powerpoint is a slide with just the graphs --> saves my life yet again.
You're the Biology teacher we all need -_-
@MissEstruchBiology
3 жыл бұрын
awww so kind, thank you 😊
@ralphjagger3813
2 жыл бұрын
@Israel Christian Happy to help xD
@chazzaplayz3161
4 ай бұрын
@@ralphjagger3813 O 🇷🇴
loved this! Thank you
@MissEstruchBiology
4 жыл бұрын
You're so welcome!
Hi, thanks for this video it was really helpful. I just had a question, are the curves for the selection diagrams normally distributed, so are their means=mode=median. If so in an exam question would it be acceptable to use the terms mean, median and mode interchangeably when describing the change in position or shape of the curve, due to the symmetrical nature of the normal distribution's curve? Thank you 👍.
Thank you so much!
@MissEstruchBiology
3 жыл бұрын
Glad you like it 😊😊
thank you :)
@MissEstruchBiology
3 жыл бұрын
You're welcome 😊
Thank you for the video! What about disruptive selection?
@MissEstruchBiology
2 жыл бұрын
Hello, That comes up in topic 4 when speciation is taught. I have a video on that under speciation.
@wa4731
2 жыл бұрын
@@MissEstruchBiology OK, thank you. 😊
Thank you so much for this video! I wanted to ask if there is any topics this links with?
Thank you Miss
@MissEstruchBiology
2 жыл бұрын
You're welcome 😊 Hope it helps you
thank you
@MissEstruchBiology
Жыл бұрын
No problem 😊
Hi, When we say random mutations, are we talking about substitution, deletion etc? Or is it about chromosomal mutations. Could you explain that further please. Many thanks 😊 3:15
@MissEstruchBiology
Жыл бұрын
Hey, we are referring to gene mutations that result in new alleles.
hi miss thank you for the video, i have a question: what is allele frequency? (how would you define it?)
@MissEstruchBiology
3 жыл бұрын
Hello, that is the proportion of each allele within a gene pool. :)
@davidmkwizu76
2 жыл бұрын
I thought it was how often an allele appears in the population.
Hello, Would it be possible to explain the difference between interbreeding and Inbreeding because it has got my head baffled?_
@EternalShadow1667
2 жыл бұрын
Inbreeding: breeding within closely genetically related individuals of the same species. Interbreeding: breeding between variants of the same species. I.e, a horse breeding with a donkey to produce a mule.
for the essay, is independent segregation important for this reason? genetic variation within the chromosomes leading to natural selection?
@riemashanaachandragantha4655
6 күн бұрын
yep
8:20 what are we in America