What is the primary purpose of pedigrees in guiding animal breeding decisions?

Question

BlackTom AI · Accepted Answer

When approaching the question about pedigrees in animal breeding, it's helpful to connect the concept to its practical purpose in genetics and breeding programs.
Option 1: 'To record an animal's dietary preferences' is not related to pedigrees. Diet records may be important for nutrition management, but pedigrees focus on ancestry and hereditary traits, not feeding choices.
Option 2: 'To determine the market value of an animal' could be influenced by lineage, but pedigrees themselves are a tool for hereditary information, not an intrinsic price tag or appraisal method. Market value involves many factors beyond pedigree alone.
Option 3: 'To track an animal's vaccination history' involves health management records, which are useful for welfare and biosecurity, but vaccination history is a medical record, not the genealogical pattern or inheritance data that pedigrees provide.
Option 4: 'To make informed decisions about mating to achieve desired traits' captures the core purpose of pedigrees. A pedigree documents ancestry and the inheritance of traits, enabling breeders to select mating pairs that increase the likelihood of passing desirable characteristics to offspring, while managing risks of inherited disorders.
Thus, evaluating each option reveals that only the last statement aligns with the fundamental use of pedigrees in guiding breeding decisions, whereas the other choices describe separate kinds of records or objectives not inherent to pedigrees.

What is the primary purpose of pedigrees in guiding animal breeding decisions?单项选择题

类似问题

For the pedigree shown below, individuals affected with a genetic disorder are shown in black. Which pattern(s) of inheritance is/are possible?

What is the most likely mode of heredity for the trait depicted in this pedigree?

This pedigree shows a family where II-1 is affected by an autosomal recessive disorder. Which individuals MUST be heterozygote?

In the above pedigree, filled shapes indicate affected individuals. What is the most likely mode of inheritance for this pedigree? What is the most likely genotype of individual 1 (using the convention that A is the dominant allele and a is the recessive allele).

What is the primary purpose of using pedigrees in animal breeding?

Question at position 17 The genotype of individual II-2 is Homozygous dominantHomozygous recessiveheterozygoushemizygousCannot be determined from the pedigree

Question at position 22 In the following pedigree, the indicated trait is a rare disease. It is caused by what type of allele? y-linkeddominantrecessivex-linked recessivex-linked dominant

Question at position 17 The genotype of individual II-2 is Homozygous dominantHomozygous recessiveheterozygoushemizygousCannot be determined from the pedigree

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单