Biology, 02.06.2021 20:20 akbogg3893
4.1. Read the passage below and answer the questions that follows.
Leukemia and Bone Marrow Transplant
Leukemia, is a type of cancer which affects blood cells. This disease
(as well as many other) is caused by abnormal stem cells in the bone
marrow producing defective or immature blood cells. These abnormal
stem cells are usually treated by chemotherapy Unfortunately, the large
doses of chemotherapy required also destroy healthy bone marrow A
bone marrow transplant is necessary to replace the diseased and
damaged bone marrow
(abstract from Understanding Life Sciences grade 10)
4.1.1 Define a stem cell.
(2)
4.1.2 How is leukemia caused?
(2)
4.1.3 Name two side effects of chemotherapy. (2)
4.1.4 Besides chemotherapy, name any two other methods of treating cancer. (2)
4.1.5. Name any FOUR diseases that affect the skeleton. (4)
[12]​
Answers: 3
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What is the term for the two sets of chromatids formed in the parent cell a.haploid b.diploid c.gamete d.tetrad
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In sweet pea, gene c is responsible for color production and gene p is responsible for the purple color pigment. both of them are located on two different loci on different chromosomes. the flowers will be purple only when the plant has the genotypes as c_p_. no color will be produced with genotypes: ccpp, ccpp, ccpp, ccpp. thus, gene c controls the expression of gene p. what pattern of inheritance is exhibited here? a. pleiotropy b. epistasis c. multiple alleles
Answers: 1
4.1. Read the passage below and answer the questions that follows.
Leukemia and Bone Marrow Transpl...
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