ANSC 340 Puberty Exam Questions and Complete Solutions

Animal Science 1401 Final Exam TTU Questions and Complete Solutions Which hormone causes ovulation? - Correct Ans: LH Which Hormone causes follicle growth? - Correct Ans: FSH Which hormone is the primary female hormone? - Correct Ans: estrogen Uterus - Correct Ans: Site of embryo implantation Infundibulum - Correct Ans: Funnels egg into oviduct Cervix - Correct Ans: Acts as barrier to infectious agents Vagina - Correct Ans: Copulatory organ Oviduct - Correct Ans: Site of egg fertilization Artificial insemination is used most in - Correct Ans: Dairy Cattle The structure is which sperm mature and are stored in is the - Correct Ans: Epididymus Which hormone stimulates male sex drive? - Correct Ans: testosterone Which Hormone is produced by the corpus luteum? - Correct Ans: progesterone The rupture of a mature follicle and the release of the ovum is known as - Correct Ans: Ovulation Semen is collected from boars using an - Correct Ans: hand IN what order so the corpus albicans, corpus luteum and the corpus homologue occur? - Correct Ans: CH, CL, CA If the Ovary was Removed, which hormone would be absent from the animals system? - Correct Ans: Estrogen Which male does not have a simplified flexure? - Correct Ans: Stallion Which male is the slowest ejaculator? - Correct Ans: boar Can semen be frozen and thawed successfully? - Correct Ans: Yes Stallion - Correct Ans: Artificial Vagina Ram - Correct Ans: Electo ejaculator Boer - Correct Ans: Hand What is the packaging method for bull semen? - Correct Ans: Straw The number of sperm cells per millimeter of semen is the - Correct Ans: concentration Which female has the least ovulations per estrus - Correct Ans: mare Which is not a characteristic of a casterated male? - Correct Ans: grows faster Which male does not have an ampulla - Correct Ans: boar Which of these is a male chromosome? - Correct Ans: XY Is red or black color recessive in Angus cattle? - Correct Ans: Red Which part of the cell contains the genes? - Correct Ans: chromosomes Which is an example of a sex limited trait? - Correct Ans: milk production Which is an example of a sex influenced trait? - Correct Ans: baldness in men The genetic makeup of an animal is also its? - Correct Ans: genotype More progress can be made through selection of the selection differential is greater - Correct Ans: True More progress can be made through selection if the heritability is greater - Correct Ans: True Each of your grandparents theoretically contributed what percentage of your genes - Correct Ans: 25% What breeder would benefit the most from inbreeding? - Correct Ans: purebred What sex are male cats? - Correct Ans: male The amount of phenotypic variation accounted for by differences in animals' genetic values is known as - Correct Ans: heritability The average superiority of the selected individuals over the average of the population from which they were selected is known as - Correct Ans: selection differential The increase in the performance of crossbred offspring over the averag