Respuesta :
For the Y-linked gene, there is only one mode of inheritance. For X-linked dominant and recessive genes, there are two modes of inheritance. For the autosomal dominant and recessive, it depends on the origin of the genes. For homozygous dominant and homozygous recessive parents, there is only one mode of inheritance.
Inheritance is the passing of the genetic traits and attributes from parents to their offspring via reproduction methods. For a single-gene disease, there are fives modes of inheritance patterns, X-linked dominant and recessive, autosomal recessive and dominant and Y-linked inheritance.
What are the modes of inheritance in the pedigree?
Y-linked inheritance happens when the genes for the disease is located on the Y gene of the chromosome and is only present on the male cells. Therefore, this will get inherited from the father to the sons. For this, there is only a single mode of inheritance.
X-linked disorders occur when the traits are present on the X gene of the chromosome and get passed when they are present in the form of dominant or recessive alleles. For this, there are two modes of inheritance from the father and the mother.
Autosomal mode of inheritance can get passed from any parent as they are present on the autosomal genes of the chromosomes and can be recessive or in dominant form. Their inheritance depends on the gene origin and can be passed even in heterozygous conditions.
For purebred dominant and recessive there is only a single mode of inheritance when both the alleles will be either purebred dominant or recessive.
Thus, there are various modes of genetic inheritance.
Learn about modes of inheritance here:
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