Question

1. make 3 observations about the graph.

there are different test groups.
there are measured variables.
both groups showed a significant increase in squat.

review of lessons 1-5:
directions: answer the questions below to review what you learned in lessons 1-5.

1. what is inside sperm and egg cells?

1. what are chromosomes?

1. what do you think the patterns in these chromosomes will tell us?

reading comprehension - mutations:
directions: read the article linked here. answer the questions below.

1. what causes sauteur d’alfort rabbits and mice to do handstands?

1. what is the importance of the rorb protein?

Explanation:

Answer:

1. Sperm and egg cells contain genetic material in the form of chromosomes (DNA).
2. Chromosomes are long, thread-like structures made of DNA and proteins that carry genetic information.
3. A genetic mutation in the RORB gene causes these animals to perform handstands instead of hopping.
4. The RORB protein is essential for the proper development of spinal cord neurons that coordinate limb movement and gait.