Traits and reproduction

Vocabulary

100

The instructions for everything in your body, can be found in your genes.

What is DNA?

200

The instructions for the creation of proteins that determines your trait for a certain feature.

What is a gene?

300

What a feature does in an organism.

What is function?

400

The shape of a protein that influences how it connects with other proteins, and that also affects the trait.

What is the structure of a protein?

500

A genetic condition that blocks the creation of clotting protein.

What is hemophilia?

Jen's problem

100

Jen is observing, her spider called Greg, who has the trait Gg for body hair. What does the G stand for, recessive or dominant?

Dominant

200

Jen breeds the Greg and a fellow spider, both of which have Gg. What are the chances that their offspring has a Gg?

50%

300

Greg has a Gg for his body hair. Which will he display, G or g?

G, as it is dominant.

400

Is is true that breeding two spiders with Gg will give a offspring that looks the same as the parents?

No, as the two parents display the G. However, there is a 25% chance of getting gg, which then means that the offspring displays the recessive genes, so the offspring will differ from the parents.

500

Jen decides to observe the bristle hair of two spiders. All ten times she mates the spiders, the hair is straight. Is straight hair:

A: recessive

B:Dominant

B:Dominant

Key concepts

100

The _____ of a gene determines its trait.

Structure

200

You receive two _____ , one from each parent, during sexual reproduction.

alleles

300

Can you inherit a tattoo?

No

400

What is a codominant trait?

A trait that is split, for example, the body color in the aliens.

500

If I have one dominant and one recessive trait, which one shows?

Dominant trait