Ch1
Why do bark spiders make different proteins for silk flexibility?
Because their genes instruct cells to make different shaped proteins which determine different traits
What do genes do
Instruct cells to make proteins
Name the two reproductive cells needed for fertilization
Sperm and Egg
True or false, its possible to inherit more genes from a particular parent
Two beavers have different proteins in their cells for hair color. They have different parents. What can you say about the beaver's hair color?
They will have different fur color because their proteins for fur color are different so the proteins will connect in different ways
A spider has venom. Its mother has venom, while its father does not. Why does the spider have venom?
The spider has venom because it inherited one copy of genes from each parent for a venom feature. The gene combination that was inherited instructed proteins to connect in a way that allows for venom.
Edward has blue eyes, and Jacob has brown eyes. Why do these people have different eye colors?
Edward and Jacob inherited one gene from each parent for eye color. The gene combination that was inherited instructed the cells to make proteins connect in a different way to make different eye color.
Paul reads an article about falcons. One of them had a mutation for wind width. Which of these statements about the falcon is true?
A) The falcon had bigger wings
B) The falcon had smaller wings
C) There is no change to its wings
D) There must have been a change in the Falcons genes
D) There must have been a change in the Falcons genes
Three pandas have different parents. They all have different proteins for spot pattern in their cells. What can you say about the pandas spots?
They will have different spot patterns because the parents have different proteins, and they connect differently, causing differently shaped spots.
In cat 1 the copies of a gene are different from each other (v1v2), while in cat 2, the genes are the same (v2v2). How does this impact how many types of protein are in each cell?
Cat 1 will have 2 types of protein (heterozygous), and Cat 2 will have 1 type of protein in the cell (homozygous)
A porcupine develops bristles as they mature. Two porcupines have different parents. One has thick bristles while the other has thin bristles. Why do the porcupines have different bristle thickness?
The porcupines have different versions of the gene for bristle thickness, which instruct for different proteins that connect in different ways to make bristles of different thicknesses.
True or False: If parent 1 has v1v1 and parent 2 has v2v3, there is a 25% chance for all of the following: v1v2, v1v3, v2v3, v1v1
False: There is a 50% chance for both v1v2 and v1v3
Two koi fish have the same proteins for stripes in their cells. The koi fish have different parents. What can you say bout the koi fishs stripes?
They have the same type of stripes because the their same proteins are connected in the same way.
If two Koalas have different parents, and they both have the same soft fur. what does it tell you about their genes?
They inherited similar genes from their parents, which instructed the proteins to be shaped in a similar fashion to create the same trait- soft fur
A father wolf has very sharp teeth, while a mother wolf has small dull teeth. Which of the statements explains why one their baby wolves has small dull teeth?
The baby wolf inherited one copy of genes from each parent on teeth sharpness. That gene combination instructs the proteins to connect in ways that make small dull teeth.
The offspring inherited different gene combinations from their parents. because gene combinations are randomly passed on, its possible that offspring inherited different gene versions from their parents and their siblings. These gene versions instruct proteins to connect in different ways which may cause different traits to occur.
The body cells of rats have proteins that connect together. In one rat, the structure of the proteins in the body cells changed, but the amount of protein in the cell stayed the same. what happened to the function of that type of protein?
Because the proteins changed, so does the function.
Ms Sneckner and her brother have the same parents. Ms Sneckner has blonde hair, and her brother has brown hair. Why do Ms Sneckner and her brother have different hair color?
They have different versions of the gene for hair color. Because of this, those genes will instruct proteins to connect in different ways to cause different hair color.
Melon has tight curly fur. Melon's mom has straight fur. Melon's dad has tight curly fur. Which of these statements explains why Melon has tight curly fur?
Melon inherited one copy of the gene for fur shape from her mom and one from her dad. That gene combination instructs for protein that connect in ways that make tight curly fur.
Kelly is trying to figure out how Tail length is determined in two different orca whales. In the orca whale with a long tail, the copies of the gene are the same as each other. In the second orca whale with a short tale, the copies of the gene are different from each other. How does this affect how many types of proteins there are in each body cell?
The long tailed orca whale has one type of protein for the tail length feature. The short tailed orca whale has two types of protein for the tail length feature.