Blood Type and Genotype Relationships

The video tutorial discusses a genetics problem involving Dimitri's family blood types. It explains how to draw a pedigree using standard conventions and analyzes the genotypes of family members. The tutorial covers the inheritance of alleles and concludes with a summary of the findings.

What is the blood type of Dimitri's father?

• O

• B

• AB

• A

Which blood type does Dimitri's sister have?

• AB

• O

• A

• B

What is the purpose of using Roman numerals and Arabic numbers in a pedigree?

• To represent generations and birth order

• To indicate blood types

• To highlight dominant traits

• To show genetic mutations

How is Dimitri's blood type related to his genotype?

• Blood type A with genotype AA

• Blood type AB with genotype AB

• Blood type B with genotype BO

• Blood type O with genotype OO

What is the blood type of Dimitri's first son?

• A

• B

• O

• AB

Which allele does Dimitri's second son inherit from his mother?

• A

• B

• O

• AB

What is the genotype of Dimitri's second son?

• AA

• BO

• OO

• AB

From whom does Dimitri inherit his B allele?

• His sister

• His father

• His wife

• His mother

What is the genotype of Dimitri's wife?

• AA

• AO

• BO

• OO

Why must Dimitri's mother have an O allele?

• Because she is blood type B

• Because she is blood type O

• Because her daughter is blood type O

• Because her son is blood type AB