Learning standard:
Communicate about continuous variation and discontinuous variation
Hi students. How are you? I hope you and your family are doing fine and stay at home. In today's lesson, we are going to learn about variation. What is variation? Now look at the picture below.
Do their face look the same (like twins) or they look different? Of course they look different. Generally, all humans in the world look different. From Europe to Asia, we are different or varied in terms of hair colours, skin colours, height, weight or even blood group. So, variation in science means any difference between individual caused by either genetic or environmental factor.
There are two types of variation. The first one is called continuous variation and the second one is call discontinuous variation.
Continuous variation is
- the characteristics can be measured on scale such as human height, weight, skin colour and etc.
- cannot be grouped into distinct and discrete phenotypes.
- usually quantitative and are determined by genes and influenced by environmental factors.
- Examples of continuous variation are human height, weight, skin colour and etc.
Diagram 1: Variation in human height
Discontinuous variation is
- the characters are discrete and cannot be measured on a scale.
- qualitative
- usually determined by a single gene with distinct effect.
- Examples of discontinuous variation are ability to roll tongue, blood type, fingerprint and etc.
Diagram 2: Variation in ability to roll tongue
Now you already know what is variation and types of variation. Let us do some exercise.
Exercise:
1. What is the difference between continuous variation and discontinuous variation?
Write down in the comment below and do not forget to write your name and class. For example: Continuous variation has no distinct categories while discontinuous variation has distinct categories. - Vanessa (4A)
For Question 2 and Question 3, choose only ONE question to answer.
2. Plot a histogram graph based on the table below. Draw the graph on a graph paper and post it in the class group.
Height (cm)
|
130-134
|
135-139
|
140-144
|
145-149
|
150-154
|
155-159
|
160-164
|
165-169
|
No of students
|
Example:
3. Plot a bar chart based on the table below. Draw the graph on a graph paper and post it in the class group.
Blood type
|
A
|
B
|
AB
|
O
|
No of students
|
Example:
Make sure you complete the exercise by today (22nd April).
That's all for lesson today. Stay healthy and stay safe.
That's all for lesson today. Stay healthy and stay safe.
Continuous variation is a characteristics that can be measured on scale such as human height, weight and etc. While discontinuous variation cannot be measured on a scale. - Louve Chew (4B)
ReplyDeleteContinuous Variation can be measured while discontinuous variation canymt be measured. Louis Ng (4B)
ReplyDeleteContinuous variation is quantitative while discontinuous variation is qualitative.-Sia Cai Yiing (4B)
ReplyDeleteContinuous variation that can be measured such as skin colour and discontinuous varation are discrete and cannot be measured on a scale.-Jacky (4B)
ReplyDeleteContinuous variation the characteristics can be measured on scale also cannot be grouped into distinct and discrete phenotypes. Continuous variation usually quantitative and are determined by genes and influenced by environmental factors.
ReplyDeleteFlaviea (4B)
DeleteContinuous variation is
ReplyDeletethe characteristics can be measured on scale such as human height, weight, skin colour......while discontinuous variation is the characters that are discrete and cannot be measured on a scale,qualitative and usually determined by a single gene with distinct effect.
-Jaqueenie-
Jaqueenie(4B)
DeleteContinuous variation is
ReplyDeletethe characteristics can be measured on scale such as human height, weight, skin colour and more.while Discontinuous variation is the characters that are discrete and cannot be measured on a scale,qualitative and usually determined by a single gene with distinct effect.
Jaqueenie(4B)
DeleteContinuous variation is a characteristic that can be measured on scale such as human skin colour, height, weight and etc. -Esmerlyn (4B)
ReplyDeleteContinuous variation cannot be grouped into distinct and discrete phenotypes and usually quantitative and are determined by genes and influenced by environmental factors.Discontinuous variation is the characters are discrete and cannot be measured on a scale and usually determined by a single gene with distinct effect. -Phoebe Soh (4B)
ReplyDeleteDiscontinuous variation is the characters are discrete and cannot be measured on a scale and qualitative. Discontinuos variatuon is usually determined by a single gene with distinct effect.-Flaviea (4B)
ReplyDeleteContinuous variation can be influenced by environmental,but discontinuous variation can't be influenced by environmental.-Pan Xhing Yi (4B)
ReplyDeleteThe difference between continuous variation and discontinuous varition is Continuous Variation is the variation that shows differences that are not distinct or not clear between individual in the same population while Discontinuous Variation is the variation that shows differences that are distinct or very clear between individuals of the same population.
ReplyDelete- Alvina Kue, 4B
Continuous variation can be measured by scale while discontinuous variation cannot be measured by scale. Emmanuel (4B)
ReplyDeleteContinuous variation is a characteristics that can be measured on scale such as human height, weight , skin color and etc. While discontinuous variation cannot be measured on a scale. - Jenny 4B
ReplyDeletecontinuous variation is where the different types of variations are distributed on a continuum, while discontinuous variation is where the different types of variations are placed into discrete, individual categories. - Renee 4B
ReplyDeleteDiffrent organisms in a species show continuous variation, and some featrus show
ReplyDeleteMohd Al Nafizan Tan (4A)
Continuous Variation is a diffrence in physical such as haircolour , height and skin colur while discountinuous variation are such as blood type , fingerprint and etc . -Marc 4B
ReplyDeleteContinuous Variation are determined by genes and influenced by environmental factors while Discontinuous are determined by a single gene with distinct effect. -Allysandra (4B)
ReplyDeleteContinuous variation controlled by a large number of genes while discontinuous variation controlled by a single or small number of genes.
ReplyDelete-Beth 4B
Continuous variation is a variation which shows slight differences in the characteristic of individuals with a complete range of measurement.Discontinuous variation is a variation which shows significant and obvious differences in the characteristic of individuals
ReplyDelete-Alyssa Carrie (4B)
Continuous variation is where the different types of variations are distributed on a continuum. On the other hand, discontinuous variation is where the different types of variations are placed into discrete categories.- Voo(4B)-
ReplyDeleteContinuous variation is a variation which shows slight differences in the characteristic of individuals with a complete range of measurement.Discontinuous variation is a variation which shows significant and obvious differences in the characteristic of individuals-Mcdarren(4B)
ReplyDeletecontinuous variation is where the different types of variations are distributed on a continuum, while discontinuous variation is where the different types of variations are placed into discrete, individual categories.-Elviorra(4B)-
ReplyDeleteContinuous variation can't be group into distinct and discrete phenotypes while discontinuous variation are discrete and cannot be measured by scale. -Wong sin Thai(4B)-
ReplyDeleteContinous variation characteristics can be measured on scale such as skin colour, height, weight and etc while discontinuos variation cannot be measured on scale but which are ability to fingerprint, blood type, ear lobes and etc. -Michelle(4B)
ReplyDeleteContinuous Variation is the variations fluctuate around an average or mean of species while discontinuous variations is a mean or average is absent in discontinuous variations.
ReplyDeletewong yuet er 4B
DeleteContinuous variation is where the different types of variations for example, skin colour, height, weight while discontinuous variation is where the different types of variations for example fingerprint, blood type, ear lobes at individual categories- Norafiqa(4B)
ReplyDeleteContinuous variation is where the different types of variations are distributed on a continuum. On the other hand, discontinuous variation is where the different types of variations are placed into discrete categories.-Aaron(4B)
ReplyDeleteThe difference between continuous variation and discontinuous variation is about the differences between of human body. There are lots of differences from their parts of body the characteristics can be measured on scale such as human height, weight, skin colour and many more. Continuous variation cannot be grouped into distinct and discrete phenotypes. Discontinuous variation is the human body qualitative also same as continuous variation, casually determined by a single gene with distinct effect, Discontinuous variation are differences of abilities, such as roll tongue, blood types, fingerprints and many more. -Shim Cheng Ru (4A)
ReplyDelete