Figure 15.3
-The pedigree in Figure 15.3 shows the transmission of a trait in a particular family. Based on this pattern of transmission, the trait is most likely
A) mitochondrial.
B) autosomal recessive.
C) sex-linked dominant.
D) sex-linked recessive.
E) autosomal dominant.

Question

Figure 15.3
-The pedigree in Figure 15.3 shows the transmission of a trait in a particular family. Based on this pattern of transmission, the trait is most likely
A) mitochondrial. 
B) autosomal recessive. 
C) sex-linked dominant. 
D) sex-linked recessive. 
E) autosomal dominant.

Quizplus · Accepted Answer

Mitochondrial inheritance is characterized by the transmission of traits from mother to all offspring, regardless of sex. In the pedigree shown, the trait is present in all individuals who inherit it from their mother, regardless of their sex. This pattern of inheritance is consistent with mitochondrial inheritance.

Figure 15.3 -The Pedigree in Figure 15.3 Shows the Transmission of a of a Trait