label a set of two coins to simulate the cross listed on your group’s index card. Use a capital letter to represent a dominant allele and a lowercase letter to represent a recessive allele. One coin should have the mother’s gametes. The other coin should have the father’s gametes. 2. Flip the 2 coins simultaneously. The two coins together make up the genetic material of the zygote. Record the genotype of the offspring. 3. Repeat step 2 for a total of 50 trials. Record the results of your coin tosses
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reproductive functions. (http://en.wikipedia.org/wiki/Gender) Gender is something we use to identify ourselves for social construct purposes. Sex is defined by the gametes being produced in the body. Males produce male gametes and females produce female ones‚ however many people are actually capable of producing both male and female gametes at birth‚ so basing our gender on sex would make no sense because many people would otherwise have no gender to be considered as
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Mitosis and Meiosis Purpose To understand the cell cycle and mitosis and how these two processes function within an organism. To understand meiosis and how this process produces gametes. Mitosis All cells in your body complete a cell cycle in which they grow‚ divide and‚ eventually‚ die. The cell cycle consists of four phases: G1‚ S‚ G2‚ and M (Figure 1). Each phase is associated with a specific cellular function: typically growth‚ synthesis‚ and division. The G1‚ S‚ and G2 phases comprise
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AP Cell Cycle and Genetics Test Corrections 7. D B Golgi-derived vesicles are primary responsible for the cytokinesis in plant cells but not in animal cells because the Golgi-derived vesicles are only present in the plant cell. 8. C D Preventing the shortening of the microtubules will cause the movement of the chromosomes during the anaphase because anaphase involves the separation of the sister chromatids at the centromeres via the shortening of the spindle fibers. 9. B D During
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Phycology –study of algea Algae Characteristics Thallophytes Lack protective jacket of sterile cells Lack vascular tissues Lack embryo life stage Gametangia-gametes housed in specialized containers Flagella Acronematic Stichonematic Pantonematic-3 or more rows‚ w/mastigonemes Habitat-ubiquitous Algal Zonation-related to algal pigmentation Maintenance culture-algae in containers Enrichment culture-specialized
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Lab 9 Elizabeth Stassenko 11/25/14 Plant Genetics Purpose: To predict and to identify the genotype of offspring using a Punett Square Exercise 1: Observing a Monohybrid Cross Hypothesis using Punett square: Gametes X x X XX Xx x Xx xx Data: Questions: A. What are the predicted ratios of the phenotypes in the plants? I predicted ¾ will germinate as green and ¼ will germinate as yellow B. What was the total number of seeds that germinated? 80 C.
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mature spermatozoa‚ also known as sperm cells. Thus‚ the primary spermatocyte gives rise to two cells‚ the secondary spermatocytes‚ and the two secondary spermatocytes by their subdivision produce four spermatozoa.[1] Spermatozoa are the mature male gametes in many sexually reproducing organisms. Thus‚ spermatogenesis is the male version of gametogenesis. In mammals it occurs in the male testes and epididymis in a stepwise fashion‚ and for humans takes approximately 64 days.[2] Spermatogenesis is highly
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WHAT IS A CELL? It is the smallest unit of life that is classified as a living thing‚ and is often called the building block of life. The cell is the basic structural and functional unit of all known living organisms. Some organisms are unicellular (made of only one cell) while others are multicellular (made up of several cells). The word cell comes from the Latin cellula‚ meaning‚ a small room. The term was coined by Robert Hooke in a book he published in 1665 when he compared the cork cells he
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gamogony male and female gametes are formed‚ and upon fusion a diploid zygote (called an ookinete or sporoblast) results‚ and this is where genetic recombination can take place. .Sporogony is followed by a phase of asexual reproduction called merogony‚ and the cellular products of this phase are called merozoites. Merogony and schizogony are synonyms. Merozoites can invade host cells and undergo multiple rounds of merogony or they may differentiate into gametocytes/gametes (= gamogony.) Parasite
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the resulting embryo to the mother’s uterus. Thus‚ it is now possible for children to be born to‚ and raised by‚ mothers with whom they have no genetic link. A number of concerns have been expressed regarding the potential negative consequences of gamete donation for children’s psychological well being‚ the most common
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