test part 1
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| which of the following are environmental effects? | show 🗑
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| when does evolution occur? | show 🗑
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| what characteristics define a population? | show 🗑
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| what traits are controlled by many genes? | show 🗑
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| show | coat color
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| show | weights, number of eggs produced
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| what are economic trait affected by? | show 🗑
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| how many gametes can you get with two pairs of genes? | show 🗑
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| what affects weight gain? | show 🗑
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| which of the following traits are high in heritability? | show 🗑
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| which of the following traits are moderate in heriability? | show 🗑
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| which of the following traits are low in heritability? | show 🗑
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| show | left side
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| show | right side
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| what are examples of known effects? | show 🗑
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| what are examples of unknown effects? | show 🗑
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| show | they leave as much of the environmental effect as possible
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| show | performance test, EPDs
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| EPDs estimate the differences in: | show 🗑
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| show | Individual;s performance data, ancestors' performance data
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| show | Beef cattle
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| which of the following traits are correlated? | show 🗑
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| you have a selection index for litter size (0.5), growth rate (0.3), and carcass traits (0.2). what percentage of pressure are you putting on growth rate? | show 🗑
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| show | it increases heterozygosity
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| which of the following statements is true about inbreeding depression? | show 🗑
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| which of the following statements are true about linebreeding? | show 🗑
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| which of the following statements is true about crossbreeding? | show 🗑
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| show | it is not a form of crossbreeding, the maximum benefits of heterosis will never be achieved.
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| show | ribeye area, carcass quality
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| show | a breed usually has an established registry; a purebred animal may or may not be recognized with a breed association.
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| show | it includes estrus and non-estrus
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| which of the following hormones stimulates ovulation? | show 🗑
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| show | sperm cell production, testosterone production
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| show | 9 months
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| show | cervix, vagina, ovaries
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| what are roles of the male in animal reproduction? | show 🗑
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| where does fertilization occur in mammals? | show 🗑
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| which of the following are functions of the uterus? | show 🗑
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| show | uterine horns
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| what structure is one the cow and ewe cervix that protects the fetus from toxins? | show 🗑
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| show | vagina, vulva, bladder
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| what functions does the endocrine system control? | show 🗑
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| which of the following are gonads? | show 🗑
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| which of the following is a function of estrogen? | show 🗑
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| which of the following is a function of progesterone? | show 🗑
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| show | Stimulates follicle growth
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| show | on the ovary
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| which of the following is a function of LH? | show 🗑
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| which of the following classes does testosterone belong to? | show 🗑
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| show | when conception occurs
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| what does the anterior pituitary gland produce? | show 🗑
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| show | produce sperm
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| show | cremaster
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| what is the function of the Vas Deferens? | show 🗑
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| show | prior to ejaculation
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| show | penis
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| what muscle causes the bull, boar, ram, and buck to be S-shaped? | show 🗑
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| True/ False: the stallion penis contains a lot of erectile tissue | show 🗑
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| True/ False: the bull penis changes in size during and erection. | show 🗑
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| show | boar
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| how many sperm does it take to fertilize an ovum? | show 🗑
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| what is breeding season affected by? | show 🗑
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| True/ False: pregnant females continuously cycle. | show 🗑
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| which of the following animals give birth only in the fall? | show 🗑
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| which of the following are short-day breeders? | show 🗑
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| show | Horses
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| show | melationin
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| what hormone does melatonin shut off? | show 🗑
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| which of the following statement describes a freemartin | show 🗑
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| show | difficult labor
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| True/ False: eggs are gestated in poultry. | show 🗑
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| show | true
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| show | False
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| in poultry, which of the ovaries is functional? | show 🗑
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| which of the following statements describes poultry ovulation? | show 🗑
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| show | infundibulum
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| True/ False: an unfertilized egg will not produce a chick | show 🗑
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| which of the following segments of the poultry oviduct describes the magnum? | show 🗑
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| what systems is the cloaca associated with? | show 🗑
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| show | vent
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| show | False
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| True/ False: male poultry do not have a penis | show 🗑
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| show | 3 weeks
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| True/ False: to settle is to become pregnant | show 🗑
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| show | luteinizing hormone
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| show | autosomes
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| show | heritability
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| value derived from placing different emphases on traits that have economic value | show 🗑
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| show | cloaca
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| any material that is used as a nutrient source for biological systems | show 🗑
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| show | castration
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| long, single strand of nucleotides that plays crucial roles in decoding DNA and transferring genetic information to cytoplasm for protein synthesis | show 🗑
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| show | Homologous chromosomes
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| simple sugar that is an important energy source in living organisms; widely found in plant and animal tissue | show 🗑
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| show | skeletal system
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| show | oogenesis
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| show | positive feedback
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| external sac of skin enclosing testes that functions to keep testes at optimal temperature for sperm production | show 🗑
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| study of the chemical processes in living organisms and includes structures and function of cellular components such as proteins, carbohydrates, lipids, nucleic acids, and other bio-molecules | show 🗑
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| the study of all biological aspects of food-producing animals | show 🗑
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| show | buffer
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| show | capillary
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| yellow, progesterone- secreting mass of cells that forms from an ovarian follicle after the release of a mature egg | show 🗑
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| results from mating animals where positive trait(s) of one animal will correct negative trait(s) of the other animal | show 🗑
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| show | nervous system
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| show | monogastric
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| order of nucleotide bases in a DNA molecule; determines structure of proteins encoded by that DNA | show 🗑
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| process of delivering the fetus and placenta from the uterus through the vagina to the outside world | show 🗑
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| all processes of chemical modifications that occur inside the body or at the cellular level | show 🗑
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| show | performance test
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| naturally occurring complex molecules containing n,c,h,o, and sometimes s and p; made of complex combos of amino acids and lined by peptide bonds | show 🗑
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| show | phenotype
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| describes a female that is incapable of producing offspring | show 🗑
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| heterocyclic aromatic organic compounds with 4 nitrogens; with DNA, these are adenine and guanine | show 🗑
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| show | anestrous
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| show | spermatocyte
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| unborn young of vertebrates that have basic structural resemblance to the adult animal | show 🗑
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| membrane- enclosed cellular organelle that contains multiple DNA molecules that control cell activity by regulating gene expression | show 🗑
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| all organelles and other materials within the cell excluding the nucleus and nuclear membrane | show 🗑
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| long chain of hydrocarbons derived with a single carboxylic group and aliphatic tail that play a critical role in structure and metabolism | show 🗑
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| show | poultry oviduct
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| show | covalent bond
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| show | caruncle
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| show | pH
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| stage in development marked by development of secondary sex characteristics and the point where females initiate their first estrus and males produce sperm | show 🗑
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| show | gamete
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| show | conceoption
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| group of cells that function in movement and heat production | show 🗑
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| organ designed to filter metabolic waste from blood and produce urine. | show 🗑
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| show | penis
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| show | genetics
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| chemicals secreted by endocrine gland that has a specific effect on another organ(s) in other parts of the body; chemical messengers that control specific actions within the body | show 🗑
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| show | progesterone
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| non- viable cell produced by division of an undifferentiated female germ cell | show 🗑
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| traits that are objectively measured and the measure varies along a scale | show 🗑
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| show | melatonin
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Created by:
kaylee_breckling