High School Science Virtual Learning
Forensic Science
Determining Sex from Bones
April 14, 2020
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Forensic Science Determining Sex from Bones, Slides of Forensics
Determine if the following pelvis belongs to a male or female. Click on the link for the image. Pelvis. 2. Determine if the following pelvis.
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High School Science Virtual Learning
Forensic Science
Determining Sex from Bones
April 14, 2020
High School Forensic Science
Lesson: Tuesday, April 14, 2020
Objective/Learning Target:
The student will be able to determine the sex of an
individual from skeletal remains.
Let’s Get Started:
1. Male
2. Female
Lesson Activity:
Directions: Watch the following video about how to
determine the sex of an individual from their bones.
Link(s): Sex and Bones
How To Distinguish Males From Females
● A male’s skull is usually bigger and bumpier than a female’s. ● Also anatomical differences in: ○ Frontal brow ○ Eye orbits ○ Lower jaw ○ Shape of chin
How To Distinguish Males From Females
How To Distinguish Males From Females
● Examination of the pelvis is the easiest method to determine the sex of a skeleton. ● Differences in: ○ Subpubic angle ○ Length, width, shape and angle of the sacrum ○ Width of the ileum ○ Angle of the sciatic notch ● Women who have borne children have scars on the surface of their pelvis.
How To Distinguish Males From Females
How To Distinguish Males From Females
● The femur (thigh bone) of a male is thicker than a females. ● The angle of the femur in relation to the pelvis is greater in females than males.
Lesson Activity:
Directions: Read the information provided in the
following link to help you distinguish between male and
female skeletons.
Link(s): Human Remains (only read pages 417-422)
Practice Questions
- Does the following skull on the right belong to a female or male?
- What are the main differences between a male pelvis and a female pelvis?
- Why is the pelvis the best bone for determining sex?
Answer Key Once you have completed the practice questions check with the work.
- Male
- Female
- Female pelves are larger and wider than male pelves and have a rounder pelvic inlet.
- The human pelvis provides the most reliable means for determining the sex of skeletal remains. The female pelvis is designed to offer optimal space for the birth canal, which is reflected in its morphology and the relationship of its parts to each other