What are the sexes and eye colors of flies with the following genotypes: X R X r _____________ X R Y ____________ X r X r ____________ X R X R ____________ X r Y ___________
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Sex linked traits are those traits that are located on X chromosome.
The eye colour of fruit flies are a perfect example of sex linked inheritance.
The white eye is recessive traits located on X chromosome and red eye is dominant trait.
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- what are the genotypes of these fliesGive the sex of the following organisms, assuming that the autosomes are present in the normal number. Sex Chromosome Organism Complement Humans Drosophila XX _____ _____ XY _____ _____ XO _____ _____ XXX _____ _____ XXY _____ _____Match the letter of the term with its description. Centriole Chromosome Chromatid Diploid DNA Gene Haploid Description makes spindle fibers is the hereditary material in chromosomes a cell containing two complete sets of chromosomes a cell containing a single set of unpaired chromosomes code for a specific trait (e.g. ability to roll the tongue) one of a pair of identical chromosomes formed by the replication of a single chromosome any of several thread-like structures, made of chromatin
- In meiosis, a __________________ cell divides to create ________________ ________________ cells that are ___________________ ___________________ the parent and each other. Meiosis is the process of _____________________ __________________Answer the questions as if you were crossing flies with a “big head” mutant trait with flies that have normal sized headsDraw diagrams to represent a cross of a mutant ovule/egg and a normal pollen/sperm. Also include a diagram of the zygote. Will the offsprings have the mutation? Explain your answer
- Under normal conditions, the members of a pair of homologous chromosomes separate from each other __________________. during anaphase of meiosis I and meiosis II during anaphase of mitosis, meiosis I, and meiosis II only during anaphase of meiosis I only during anaphase of meiosis II only during anaphase of mitosis21.The diagrams of meiosis above contain between 4 and 8 mistakes. Identify 4 mistakes. Explain how to fix each one. Format answer like this: mistake 1: ____________ how to fix mistake 1: ________ mistake 2: ____________ how to fix mistake 2: ________ mistake 3: ____________ how to fix mistake 3: ________ mistake 4: ____________ how to fix mistake 4: ________Give correct typing answer with explanation and conclusion A chiasma (plural chiasmata) is a site of _______________________________ on chromosomes in _________. A) crossing over; meiosis B) nonsister chromatid attachments; meiosis C) kinetochore attachment; mitosis D) chromatin condensation; mitosis
- Describe the processes of meiosis I and meiosis II and make sure to mention what each of them involved the separation of (e.g., Mitosis involves the separation of _______________ and meiosis involves the separation of ________________Label the different stages of meiosis using arrows (attached image)In one paragraph, using your own words, compare and contrast the processes of mitosis (asexual reproduction) and meiosis (sexual reproduction). Be sure to include proper spelling, grammar, and punctuation.