Question

meiosis dinner menu project

• appetizer (complete all)
• define the following vocabulary words

1. homologous chromosomes
2. sister chromatids
3. somatic cells
4. gametes
5. sexual reproduction
6. asexual reproduction
7. diploid
8. haploid

• entrée (select one)
• using the back side of this paper, match the pictures with the correct summary of each stage of meiosis.
• imagine you are a single chromosome about to undergo meiosis. describe what happens to you throughout meiosis 1 and 2.
• create a poem/rap that describes the stages of meiosis 1 and 2.
• draw and label haploid and diploid cells and explain 3 differences.
• side dishes (select two)
• list 3 advantages and 3 disadvantages of sexual reproduction.
• list 3 advantages and 3 disadvantages of asexual reproduction
• explain the role of meiosis in genetic diversity.
• explain the terms independent assortment and crossing over and when they occur during meiosis.
• explain how a mutation might cause the cell cycle to be altered to allow for uncontrolled cell growth.
• dessert (optional/extra credit)

answer the following question using the becuz strategy. credit only if each step is completed.
be – bracket/box the question in the prompt
c – circle vocabulary words
u – underline context clues to help answer the question
z – zap out the wrong answers
cancer is often characterized by tumors. which would most likely trigger the formation of a tumor?
a. a parasite that both lived and reproduced within the human body.
b. a mutation in a gene that codes for a protein regulating cell division.
c. a change in the dna sequence of a gene that codes for skin coloration.
d. a bacterial infection that caused inflammation and swelling in body tissues.

Explanation:

To solve the multiple - choice question about what triggers tumor formation:

1. Recall the concept of cancer and tumor formation: Tumors form due to uncontrolled cell growth, which is related to the regulation of the cell cycle. Genes that regulate cell division (like tumor - suppressor genes or proto - oncogenes) play a key role.
2. Analyze Option A: A parasite living and reproducing in the body may cause harm, but it doesn't directly lead to uncontrolled cell growth that causes tumors.
3. Analyze Option B: A mutation in a gene that codes for a protein regulating cell division can disrupt the normal cell cycle control. If the cell cycle is not regulated properly, cells can divide uncontrollably, leading to tumor formation. This is consistent with the understanding of cancer development.
4. Analyze Option C: A change in a gene for skin coloration affects skin pigmentation, not cell division regulation, so it won't trigger tumor formation.
5. Analyze Option D: A bacterial infection causing inflammation and swelling is a response to infection, not a direct cause of uncontrolled cell growth for tumor formation.

Answer:

B. A mutation in a gene that codes for a protein regulating cell division.