What describes a gene when the same allele is inherited from both parents?
Heterozygous
Recessive
Dominant
Monozygous
The Correct Answer is D
A. Heterozygous refers to having two different alleles for a gene, one inherited from each parent.
B. Recessive refers to an allele that only expresses its trait if two copies are present (homozygous), but this term does not describe the inheritance pattern itself.
C. Dominant refers to an allele that expresses its trait even if only one copy is present, but again, this term does not describe the inheritance pattern.
D. Homozygous describes a gene when the same allele is inherited from both parents (e.g., AA or aa).
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Related Questions
Correct Answer is ["B","F"]
Explanation
A. Respiration: Respiration issues are more relevant to respiratory disorders, while indigestion (dyspepsia) is directly related to GI disorders.
B. Swallowing difficulties (dysphagia) are a common symptom in GI disorders, indicating issues such as esophageal stricture, achalasia, or GERD.
C. Pain in the extremities is not typically associated with GI disorders; it is more relevant to musculoskeletal or neurological conditions.
D. Sleep disruption: While sleep disruption can occur with GI disorders, it is not a primary symptom to be questioned. Other symptoms like swallowing issues or indigestion are more directly related.
E. Family history: A family history of GI disorders can provide valuable information about hereditary conditions like Crohn’s disease, ulcerative colitis, or colorectal cancer.
F. Indigestion, or dyspepsia, is a common symptom of GI disorders. It includes discomfort or pain in the upper abdomen, bloating, and nausea, which are directly related to the GI system.
Correct Answer is B
Explanation
A. Low urine output is typically a sign of fluid volume deficit or impaired kidney function, not fluid volume excess.
B. Ascites is the accumulation of fluid in the peritoneal cavity, which is a sign of fluid volume excess, often seen in conditions like liver cirrhosis.
C. Weight loss is usually associated with fluid volume deficit, not excess.
D. Poor skin turgor is an indicator of dehydration or fluid volume deficit, not excess.
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