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

ANFS FINAL EXAM Review Questions and answers, rated A+ Are swine sold to meat packers on the basis of weight (a finishing weight) or body composition? Weight What animal has a short day, seasonal estrous cycle? Sheep What animal has a long day, seasonal estrous cycle? Horse Which animal has a non-seasonal estrous cycle? Cattle How long does a dairy cow lactate? 305 days What does peak production mean for dairy cattle? Day of maximum milk production Which breed-group of cattle are ...

Accuracy - ANSWER-Measure of strength of relationship between true values and predictions for a trait Animal Model - ANSWER-An advanced statistical model for genetic prediction that is used to evaluate all animals in a population; BLUP BLUP (Best Linear Unbiased Prediction) - ANSWER-A method of genetic prediction that is particularly appropriate when data come from genetically diverse contemporary groups Breed Complementarity - ANSWER-An improvement in the overall performance of crossbr...

effect on selection process - more offspring is greater opportunity for genetic improvement heterosis - an increase in the performance of hybrids over the average performance of the parents animal breeding industry structure - seedstock -----> commercial----> animal products --- > commercial----> seedstock genetic application rules - 1. crossbred animals tend to preform better than their nonrelated purebreds; and non related purebreds tend to preform better than inbred purebred...

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BASF Plant Science Certification Review Exam Questions With Correct Answers 100% Verified Which type of cell is most likely to remain totipotent? - answerParenchyma cells In which temperature range do cool season crops grow best? - answer60°F to 65°F (16°C to 18°C) Which of the following pesticides is a=least toxic to the environment? - answerPyrethroid Which plant can be affected by boil rot? - answerCotton Which of the following is classified as any unwanted or undesirable plant wh...

BIS 2B Midterm 2 Exam Review With 100% Correct Answers 2023 Mendel - Correct Answer-Augustinian monk and botanist whose experiments in breeding garden peas led to his eventual recognition as founder of the science of genetics () blending model - Correct Answer-Blending model: Offspring are a blend of both parents (i.e. in modern terms, alleles would blend together to form a completely new allele) The characteristics of the blended offspring are passed on to the next generation Variation i...

The study of heredity and variation - Answer- genetics Microbiomes in the body change how we react to disease - Answer- microbiome project The unit of heredity - Answer- gene Affects the appearance of an organism - Answer- morphological Affects the function of an organism - Answer- Physiological Affect the response of an organism to its enviorment - Answer- behavioral contrasting forms within a species - Answer- morphs What factors contribute to variation? - Answer- gene mut...

what is the inventory of cattle in NC? - answer-830,000 Describe the NC cattle industry - answer-small but strong what are the segments of the beef cattle industry? - answer--cow/calf (seedstock) -stocker -feedlot -packer (purveyor) -retailer (imports) -consumer (exports) what are the two largest beef industry segments? - answer-cow/calf (seedstock) and consumer (exports) what are the two smallest industry segments? - answer-feedlot and packer (purveyor) where is the beef bel...

Generation Interval - ANSWER The average age of the parents when offspring are born... The shorter the gen interval, the faster the genetic improvement Heritability - ANSWER Amount of phenotypic expression of trait that is transmitted to offspring Tandem Selection - ANSWER selection for one trait at a time... least effective Culling - ANSWER To get rid of Independent Culling - ANSWER established minimum culling levels for each trait... most effective when few traits are involved... s...

Average Birthweight - answer-85 lbs. Average Weaning Weight - answer-500 lbs. Average Feedlot Weight - answer-1200 Average Breeding Weight - answer-750 Average Cow Weight - answer-1300 Average Weaning Age, in days - answer-220 days Average Calf Crop Percentage - answer-80% Which grows faster? A bull or steer? - answer-Bull At what age should you put a bull with a heifer? - answer-14 months How long does it take for a cow to calve? - answer-9 months - 281 days What d...