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Questions and Answers
What is the most common chromosomal abnormality found in cattle?
What is the most common chromosomal abnormality found in cattle?
- XX/XY translocation
- XO Turner's syndrome
- XXY Klinefelter's syndrome
- 1/29 translocation (correct)
Which animal shows abnormalities of chromosome pairing at the pachytene stage of meiotic prophase?
Which animal shows abnormalities of chromosome pairing at the pachytene stage of meiotic prophase?
- Pig
- Horse
- Mule (correct)
- Sheep
What is the reduced fertility manifested as in female cattle with centric fusion translocations?
What is the reduced fertility manifested as in female cattle with centric fusion translocations?
- Small litter size
- Increase in nonreturn rate
- Decrease in services per conception (correct)
- Increase in genetic material loss
What is the most common chromosomal anomaly found in pigs?
What is the most common chromosomal anomaly found in pigs?
Which species commonly suffers from XY sex reversal leading to phenotypic females being genetic males?
Which species commonly suffers from XY sex reversal leading to phenotypic females being genetic males?
In which species is XXY Klinefelter's syndrome associated with infertility?
In which species is XXY Klinefelter's syndrome associated with infertility?
During which stage of development is the embryo most susceptible to teratogenic agents?
During which stage of development is the embryo most susceptible to teratogenic agents?
Which of the following is NOT among the chemical agents investigated for detrimental effects on the embryo or fetus during pregnancy?
Which of the following is NOT among the chemical agents investigated for detrimental effects on the embryo or fetus during pregnancy?
What is a common practice in domestic animal breeding that increases the risk of embryonic and fetal infections with teratogenic agents?
What is a common practice in domestic animal breeding that increases the risk of embryonic and fetal infections with teratogenic agents?
When do developmental abnormalities in animals due to teratogenic agents occur?
When do developmental abnormalities in animals due to teratogenic agents occur?
Which etiology of developmental disorders can impact vulnerable periods during fetal development and growth?
Which etiology of developmental disorders can impact vulnerable periods during fetal development and growth?
Why is there a growing need to distinguish abnormalities due to teratogens from genetic disorders affecting embryonic development?
Why is there a growing need to distinguish abnormalities due to teratogens from genetic disorders affecting embryonic development?
What is the most severe malformation involving fusion of the eyes in a single orbital cavity with a proboscis above a rudimentary nose called?
What is the most severe malformation involving fusion of the eyes in a single orbital cavity with a proboscis above a rudimentary nose called?
What condition involves fluid accumulation in the fetal brain, abdomen, body cavities, and subcutis?
What condition involves fluid accumulation in the fetal brain, abdomen, body cavities, and subcutis?
Which term refers to the swelling of soft tissues due to excessive fluid accumulation?
Which term refers to the swelling of soft tissues due to excessive fluid accumulation?
Which condition involves excessive fluid in the peritoneal cavity and often accompanies fetuses that have died preterm?
Which condition involves excessive fluid in the peritoneal cavity and often accompanies fetuses that have died preterm?
What term is used to describe the distension of the abdomen by excessive fetal fluid in cows?
What term is used to describe the distension of the abdomen by excessive fetal fluid in cows?
In cattle, what is commonly associated with fluid accumulation in the amnion?
In cattle, what is commonly associated with fluid accumulation in the amnion?
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