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Question 1Select one answer.Homologous chromosomes separate and are pulled to opposite sides of the cell during what stage of cell division? (Read each option carefully.)A. Anaphase I of meiosisB. Anaphase of mitosisC. Metaphase I of meiosisD. Anaphase II of meiosisQuestion 2Select one answer.Mitosis results in ________ and meiosis results in ________.A. somatic cells, somatic cellsB. gametes, gametesC. gametes, somatic cellsD. somatic cells, gametesQuestion 3Select one answer.Cats have a diploid number of 38. How many chromosomes are in a cat egg?A. 38B. 76C. 24D. 19Question 4Select one answer.Mitosis results in ______ cells and meiosis results in _______ cells.A. diploid, diploidB. haploid, haploidC. diploid, haploidD. haploid, diploid
Question 5Select one answer.What is the purpose of meiosis?A. To allow an organism to replace damaged cellsB. To allow for growthC. To enable an organism to produce gametesQuestion 6Select one answer.A child with Down Syndrome has 3 copies of chromosome 21 (trisomy 21). Which statement could be true in regards to this child?A. The egg could have had 2 copies of chromosome 21.B. None of these answers could be true.C. One gamete had 2 copies of chromosome 21 and the other gamete had 1 copy.D. All these answers could be true.E. The sperm could have had 2 copies of chromosome 21.Question 7Select one answer.Corn has 20 chromosomes. When corn undergoes meiosis how many chromosomes are found in the gametes?A. 40B. 20C. 10D. 5Question 8Select one answer.Crossing over occurs between homologous chromosomes during what stage of cell division? (Read each option carefully.)A. Prophase I of meiosisB. InterphaseC. Prophase II of meiosisD. Prophase of mitosis
Illustrate the metaphase cell of this culture showing predicted distribution of radioactivity on the autoradiograph.
Aneuploidy can come about from the abnormal segregation of chromosomes called non-disjunction during meiosis. Describe and illustrate using chromosomes and a gene marker. Write the structual formula for salicylic acid.
A 78 year old women has a mean arterial pressure of 120 mmHg and a heart rate of sixty bpm. She has a stroke volume of 50 mL, cardiac output of 3000 mL/min and a right atrial pressure of 0 mmHg.
define What would the genotypes and phenotypes. Follow an X-linked recessive mutation from a cross between a heterozygous female and a wild-type male.
In a pathway controlling flower color, a functioning copy of gene A is required to produce enzyme A, which catalyzes the synthesis of red pigment.
Birth control is any thing that stop a woman or girl from becoming pregnant, or giving birth. Birth control can mean a wide range of things from contraceptives to other ways of avoiding pregnancy,
Discuss three adaptations for terrestrial life that occurred during the evolution of green plants. For each adaptation, note the taxonomic group in which the trait first appeared
Explain some new approaches to chemotherapeutic control that works to decrease the incidence of bacterial resistance and discuss some aspects of an Ideal Drug?
Briefly summarize the Blending Model of inheritance in a sentence or two. List one weakness of this model of inheritance.
Two and a half miles below ocean surface in areas where the Earth’s tectonic plates are moving apart are hydrothermal vents.
Assume that a sample of red blood cells at a concentration of 2.69 x 106 cells/ml is serially diluted 1/10 three times and then serially diluted 1/2 two times.
Compare and difference wave summation with recruitme nt. How are they similar? Describe how wave summation and recruitment are achieved in the body.
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