NEET BIOLOGY

GENETICS AND EVOLUTION

GENETIC BASIS OF INHERITANCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
whats a pedigree?
A
in genetics a type of family tree that maps the occurrence of a trait in a family
B
A contract
C
written description of all genes worldwide
D
None of the above
Explanation: 

Detailed explanation-1: -A pedigree shows relationships between family members and indicates which individuals have certain genetic pathogenic variants, traits, and diseases within a family as well as vital status. A pedigree can be used to determine disease inheritance patterns within a family. Standard pedigree nomenclature.

Detailed explanation-2: -… A pedigree, as related to genetics, is a chart that diagrams the inheritance of a trait or health condition through generations of a family. The pedigree particularly shows the relationships among family members and, when the information is available, indicates which individuals have a trait(s) of interest.

Detailed explanation-3: -What is Pedigree Analysis? Pedigree analysis was developed to understand the inheritance of genes from parents to offspring. It was developed as a chart that can represent a family tree along with the family members and their genetic traits, respectively.

Detailed explanation-4: -A family tree, also called a genealogy or a pedigree chart, is a chart representing family relationships in a conventional tree structure. More detailed family trees, used in medicine and social work, are known as genograms.

Detailed explanation-5: -The difference between the family tree and the pedigree chart is that the pedigree chart is generally a direct lineage chart that shows only your parents, grandparents, great grandparents, etc. No siblings, aunts, cousins, or Grandpa’s brother Bob.

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