Heterosis - Guides d'étude, Notes de cours & Résumés

Cross Breeding - the mating of individuals with different breed make-up -widely used in commercial beef production systems -improvements in production efficiency can be dramatic -does not eliminate the need for purebreds Heterosis - the average superiority of a crossbred individual over the average of breeds involved n the cross -arises from combining genes from different breeds so inferior recessive genes are concealed -offspring may be better than either paternal breed or better than av...

Genetics Exam #2 With Questions and Answers 100% Solved What is the molecular mechanism for imprinting a gene? a. acetylation b. methylation c. phosphorylation d. mutation e. nitration - answerB Genomic imprinting most commonly uses____ to ____genes. Select one: a. acetylation : activate b. methylation : activate c. phosphorylation : activate d. methylation : deactivate e. phosphorylation : deactivate - answerD Individuals with three copies of most autosomes do not survive. Indivi...

ANSC 1401 Final Exam Questions And Answers (Updated And Verified) Effect on selection process - answermore offspring is greater opportunity for genetic improvement heterosis - answeran increase in the performance of hybrids over the average performance of the parents animal breeding industry structure - answerseedstock -----> commercial----> animal products ---> commercial----> seedstock genetic application rules - answer1. crossbred animals tend to preform better than their ...

Final Exam Review Dairy Production By definition, what is the difference between out-crossing and crossbreeding, when describing a dairy cattle breeding program? - Out crossing is when you breed two purebreds that are not related. Crossbreeding is when you breed two different breeds together. What are 2 possible improvements that using the Scandinavian Red breed might contribute to a commercial dairy breeding program? - higher protein and butterfat Generally describe what genomic tes...

ANSC 1401 Final Exam Questions And Answers (Updated And Verified) Effect on selection process - answermore offspring is greater opportunity for genetic improvement heterosis - answeran increase in the performance of hybrids over the average performance of the parents animal breeding industry structure - answerseedstock -----> commercial----> animal products ---> commercial----> seedstock genetic application rules - answer1. crossbred animals tend to preform better than their ...

Genetics Exam #2 With Questions and Answers 100% Solved What is the molecular mechanism for imprinting a gene? a. acetylation b. methylation c. phosphorylation d. mutation e. nitration - answerB Genomic imprinting most commonly uses____ to ____genes. Select one: a. acetylation : activate b. methylation : activate c. phosphorylation : activate d. methylation : deactivate e. phosphorylation : deactivate - answerD Individuals with three copies of most autosomes do not survive. Indivi...

ANSC 1401 Sam Jackson Final Exam Questions And Answers (Updated And Verified) Livestock Domestication (@10,000 yrs ago) - answerinitiated after the development of farming; created the support for civilization Mendel's Laws (1866) - answerprovided an understanding of inheritance principles Breed Associations (20th century) - answercreated organized infrastructure for the utilization of genetic prediction tools and advancement of controlled populations Molecular Biology Discoveries (prese...

By definition, what is the difference between out-crossing and crossbreeding, when describing a dairy cattle breeding program? - Out crossing is when you breed two purebreds that are not related. Crossbreeding is when you breed two different breeds together. What are 2 possible improvements that using the Scandinavian Red breed might contribute to a commercial dairy breeding program? - higher protein and butterfat Generally describe what genomic testing is in the livestock industry. Give on...

ANSC 1401 Sam Jackson Final Exam Questions And Answers (Updated And Verified) Livestock Domestication (@10,000 yrs ago) - answerinitiated after the development of farming; created the support for civilization Mendel's Laws (1866) - answerprovided an understanding of inheritance principles Breed Associations (20th century) - answercreated organized infrastructure for the utilization of genetic prediction tools and advancement of controlled populations Molecular Biology Discoveries (prese...

ANSC 1401 Final Exam Questions And Answers (Updated And Verified) Effect on selection process - answermore offspring is greater opportunity for genetic improvement heterosis - answeran increase in the performance of hybrids over the average performance of the parents animal breeding industry structure - answerseedstock -----> commercial----> animal products ---> commercial----> seedstock genetic application rules - answer1. crossbred animals tend to preform better than their ...