교과서 질문
More than one choice may apply.
Which of the following is not typical of leukocytes?
a. Amoeboid movement
b. Phagocytic (some)
c. Nucleated cells
d. The most numerous cells in the bloodstream
936
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Ch. 10 Blood
Marieb13th EditionEssentials of Human Anatomy & PhysiologyISBN: 9780135624340
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Table of contents
- Ch. 1 The Human Body: An Orientation23
- Ch. 2 Basic Chemistry22
- Ch. 3 Cells and Tissues20
- Ch. 4 Skin and Body Membranes13
- Ch. 5 The Skeletal System38
- Ch. 6 The Muscular System26
- Ch. 7 The Nervous System26
- Ch. 8 Special Senses12
- Ch. 9 The Endocrine System24
- Ch. 10 Blood22
- Ch. 11 Cardiovascular System29
- Ch. 12 The Lymphatic System and Body Defenses21
- Ch. 13 The Respiratory System7
- Ch. 14 The Digestive System and Body Metabolism13
- Ch. 15 The Urinary System23
- Ch. 16 The Reproductive System15
10장, 문제 3
More than one choice may apply. A child is diagnosed with sickle cell anemia. This means that
a. One parent had sickle cell anemia.
b. One parent carried the sickle cell gene.
c. Both parents had sickle cell anemia.
d. Both parents carried the sickle cell gene.
검증된 단계별 안내1
Understand the genetic basis of sickle cell anemia: Sickle cell anemia is an autosomal recessive disorder, meaning that a child must inherit two copies of the defective gene (one from each parent) to develop the condition.
Review the inheritance patterns: If a child has sickle cell anemia, both parents must have contributed a defective copy of the sickle cell gene. This means both parents are either carriers (heterozygous for the gene) or have sickle cell anemia themselves (homozygous for the gene).
Analyze option a: If one parent had sickle cell anemia, they would pass one defective gene to the child. However, the child would still need a defective gene from the other parent to develop the condition.
Analyze option b: If one parent carried the sickle cell gene, the child would only inherit one defective gene, which would make them a carrier, not someone with sickle cell anemia. This option alone cannot explain the diagnosis.
Analyze option d: Both parents carrying the sickle cell gene (heterozygous carriers) is the most likely scenario for the child to inherit two defective copies of the gene, leading to sickle cell anemia. This aligns with the autosomal recessive inheritance pattern.
비슷한 문제에 대한 검증된 영상 답변:
이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
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주요 개념
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Sickle Cell Anemia Genetics
Sickle cell anemia is a genetic disorder caused by a mutation in the hemoglobin gene. It is inherited in an autosomal recessive pattern, meaning that a child must inherit two copies of the mutated gene (one from each parent) to express the disease. Understanding this genetic inheritance is crucial for determining the likelihood of a child being affected.
추천 영상:
01:28
Genetic Code
Carrier Status
A carrier of the sickle cell gene has one normal hemoglobin gene and one mutated gene. Carriers typically do not exhibit symptoms of sickle cell anemia but can pass the mutated gene to their offspring. Recognizing carrier status is important in genetic counseling and understanding the risk of having a child with the disease.
추천 영상:
05:22Electron Carriers: NADH & FADH2
Punnett Square
A Punnett square is a tool used in genetics to predict the probability of an offspring inheriting particular traits from its parents. By mapping out the possible combinations of alleles from each parent, it helps illustrate the chances of a child being affected by genetic conditions like sickle cell anemia. This concept aids in understanding the inheritance patterns of genetic disorders.
추천 영상:
07:23X-Linked Inheritance
관련 실천
교과서 질문
More than one choice may apply.
Polycythemia vera will result in
a. Overproduction of WBCs
b. Exceptionally high blood volume
c. Abnormally high blood viscosity
d. Abnormally low hematocrit
956
views
교과서 질문
More than one choice may apply.
Which would lead to increased erythropoiesis?
a. Chronic bleeding ulcer
b. Reduction in respiratory ventilation
c. Decreased level of physical activity
d. Reduced blood flow to the kidneys
1218
views
1
rank
교과서 질문
More than one choice may apply.
The leukocyte that releases histamine and other inflammatory chemicals is the
a. Basophil
b. Monocyte
c. Eosinophil
e. Neutrophil
1013
views
교과서 질문
More than one choice may apply.
In a person with sickle cell anemia, sickling of RBCs can be induced by
a. Blood loss
b. Vigorous exercise
c. Stress
d. Fever
779
views