Biology Simulation

What determines a person’s blood type? You can click on the button to mate several traits. Find the gene delivery process by dragging the screen.

Find the gene delivery process by dragging the screen. Estimate the proportion of phenotypes appearing in offspring.

Explore the process that takes place when the pea plant with two different alleles. In Mendel’s genetic experiments, he observed this pattern: The inheritance of one characteristic did not influence other characteristics’ inheritance. For example, the inheritance pattern for seed...

Move the preparation. Why does the image move in the opposite direction? Depending on the type of microscope, how is the direction of movement different? * Cell image source: https://www4.uwsp.edu/biology/Courses/BotLab/default.htm

Why are cells so small? Living cells are constantly exchanging substances with their surroundings. Cells have to absorb nutrients and get waste products out. Most cells, including our body, need to absorb oxygen to get energy. What if the cells...

Pulse When the heartbeats, blood flows through the blood vessels in a certain rhythm, causing the blood vessels to vibrate. This vibration is called the pulse. So, by measuring your pulse rate, you can find out how many your heartbeats....

Asexual reproduction Some living things do not make reproductive cells. They make new offspring through cell division. This method of reproduction without male and female reproductive cells is called asexual reproduction. Sexual reproduction Many of the creatures around us can...

Osmosis Osmosis refers diffusion of water molecules through a semipermeable membrane from a place of higher water concentration to a place of lower water concentration until the concentration on both sides is equal. It is the same principle that plants...

Genetic diversity Suppose a child inherits chromosomes from parents and constructs a new pair of chromosome pairs. A child can receive an ‘A’ or ‘a’ from his mother and a ‘B’ or ‘b’ from his father. So, the child can...

About this simulation The length of the red bar shows the vitality. It gradually decreases with time. When the vitality is zero, it naturally dies. The green bars show stamina (nutritional status). If it is short, it is in a...

Microscope The microscope consists of an objective lens and an eyepiece. The objective lens has a short focal length. The light reflected or transmitted by the object is gathered between the objective lens and the eyepiece. Here a real image...