Chapter 8: Genetics

Question 1

sex-linked trait

Answer 1

• trait that has an allel that is carried on one of the sex chromosomes
• almost all on the X chromosome becuase the Y chromosome is small

Question 2

X-linked traits

Answer 2

• color blindness
• hemophilia (X-linked recessive)
• male pattern baldness

Question 3

pedigree analysis

Answer 3

• males are square
• females are circle
• individuals affected by a condition are shaded