Understanding Pedigrees and Genotypes

What is a pedigree used for in genetics?

• To determine the age of an individual

• To measure the height of family members

• To track the inheritance of characteristics in a family

• To calculate the weight of an individual

How can you identify a dominant trait in a pedigree?

• By checking the age of the parents

• By finding a cross where parents and offspring show different traits

• By looking at the color of the pedigree chart

• By counting the number of individuals with the trait

Which hair type is identified as dominant in the given pedigree?

• Straight hair

• Wavy hair

• Curly hair

• No hair

What is the genotype of an individual showing a recessive trait?

• Homozygous recessive

• Heterozygous

• None of the above

• Homozygous dominant

How can the genotype of individual 9 be determined?

• By checking their eye color

• By looking at their birth certificate

• By analyzing the genotypes of their parents or offspring

• By measuring their height