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Q: Why do some fruit flies have white eyes?

A: Allele is the modification of the gene. Alleles are of two types, namely dominant and recessive.

Q: Haploid insect and lower plant where cell- division occurs?

A: An organism having a single set of chromosomes are known as haploid organisms and an organism having…

Q: Lepidoptera caterpillars differ from sawfly caterpillars |by having more prolegs |by having…

A: Answer

Q: Section: Mutation and Genetic Change Read the passage below. Then answer the questions that follow.…

A: Introduction Multicellular eukaryotes are the organisms which contains more than one (“multi”)…

Q: I have a pet amoeba. It's name is Stretch. I look at stretch every day with my microscope, feed it,…

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A: The cell:- are the basic building blocks and functional units of all living beings on the earth.…

Q: elect all the statements D ends with 2 diploid cells Ohas 2 rounds, each follow O starts with 1…

A: Mitosis is a type of cell division which results in two daughter cells having the same number and…

Q: The nuclei of the check cells actually are in the middle of those cells, why are those nuclei are…

A: The question pertains to the location of the nuclei in check cells. It's misconception that the…

Q: Which of the following steps of sea urchin fertilization initiates the formation of the…

A: Fertilization is the union of male ( spermatozoa ) and female ( ovum ) gametes which results in the…

Q: Question 3 Explain how the composition of the egg's cytoplasm determines the cleavage pattern. Use…

A: The egg is the female gamete that is produced by the oogenesis process in the the ovaries of the…

Q: The formation of the fertilization envelope in a sea urchin egg is most directly stimulated by an…

A: After fertilisation, a barrier known as the fertilisation envelope develops around the egg. The egg…

Q: profile-image For which organism and life stage would you expect to see the most rapid senescence?…

A: Introduction The slow decline of functional characteristics of living organisms is known as…

Q: a. CELL? = b. CELL? = c. CELLS? =

A: Sea urchin is spiny echinoderms, sea urchin have both sex male or female with testis and ovaries…

Q: The following image is of a freshwater Hydra sp. (Hydrozoa). Select ALL correct statements below. A…

A: Animal kingdom comprises of all eukaryotic organisms . It is classified into:-  (I ) Porifera…

Q: Put the numbers of the cell pictures in the correct order to show the sequence of stages in meiosis.

A: The above given details are about sequence in meiosis .

Q: You have identified a novel eukaryotic parasite whose genome is triploid (ploidy = 3) and contains a…

A: Ploidy refers to number of set of chromosomes present in a somatic cell. Haploid number refers to…

Q: You observe a stickleback embryo and follow the fate of one cell (cell A) at the 64 cell stage.  The…

A: There are different types of cells during the gastrula stage of the embryo. Some cells express their…

Q: 30. What is happening here? 31. 31. The cells at this stage of embryo development are said to be

A: As there are multiple questions present, we are solving the first question for you.  There are…

Q: 1a. Bright green in color,.. ... Go to 4 ..... b. Color other than green.... Go to 2 .**** 2a.…

A: A dichotomous key has two options for a certain point. So, yes we can see bright green colour. Now…

Q: Choose correct answers | Banded Horntail is a wood-boring Hymenoptera. | Elm Sawfly is the largest…

A: * Banded horn tail is a wood boring hymenoptera  *Horntail also called wood wasp belong to…

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A: An embryonic cell is a type of cell found in the developing embryo. A blastocyst is an embryonic…

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Q: Formation of the cleavage furrow during animal development from unicell to of the cell.…

A: The cleavage furrow is a ring of actin filaments that forms during cytokinesis in animal cells. The…

Q: Which event in sexual reproduction is described below? Haploid gametes unite to form a zygote with a…

A: In human fertilisation, a delivered ovum (a haploid auxiliary oocyte with replicate chromosome…

Q: Hi can you do the mitotic phases in whitefish cells with total magnification.

A: Whitefish cells provide a remarkable model for studying mitosis due to their rapid cell division and…

Q: The cell concept CANNOT apply to ____

A: Cell theory (a unifying principle of biology) was formulated by Schleiden and Schwann. Cell theory…

Q: How many chromosomes does a haploid cell contain? 3/4 the number as the parent cell 2/3 the number…

A: Cell is the basic structural and functional unit for life.

Q: You have received an opportunity to work with a professor. He wants you to induce a tumor in a model…

A: Model organism are those non human  species, which are extensively used in laboratory to test a…

Q: What are the dark structures that seem pushed to the sides of the cells

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Q: Viceroy butterflies and Monarch butterflies look similar in their bright coloration. Scientists have…

A: Viceroy butterflies and Monarch butterflies look similar in their bright coloration. Scientists have…

Q: One of the hypotheses is that a chimera formed from the fusion of two separately fertilized oocytes.…

A: Fertilization is a process that is the fusion of two gametes, one from the male and one from the…

Q: Draw a whitefish blastula cell in telophase (400x)?

A: The blastula is the stage of embryonic development in which the cells are rapidly dividing by…

Q: Which of the structures highlighted in the image contains a transverse flagellum?

A: Protists are unicellular eukaryotes. They lack the tissue level of body organization and have cilia…

Q: | Cossidae larvae look very similar to Cerambycidae larvae, but Cossidae larvae have legs and a…

A: Statement b,c,d,e are correct

Q: 1 8 2 3 5 Zoom A. site for modifying, sorting, and packaging proteins for excretion from the cell.…

A: Animal cells are eukaryotic cells with a plasma membrane surrounding them and a membrane-bound…

Q: Which round of cell division is uneven? (hint: the SEM images will be helpful) a)First b)Second…

A: During early development, sea urchins exhibit radial holoblastic cleavage.