Science SGFM
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is an unicellular organism? | An organism that reproduces through cell division.
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| What is a multicellular organism? | An organism that divides and reproduces by growing developing and repairing.
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| What is DNA? | A chemical that contains information for an organism's grown & functions.
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| Which two men built a model of DNA in 1953? | Watson & Crick
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| What are chromosomes? | DNA wrapped around protein and compacted into structures.
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| What are chromatids? | Two identical chromosomes.
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| What is a centromere? | The thing that holds together chromatids.
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| How many chromosomes does a human have? | 46
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| What is Asexual reproduction? | The process in which an organism develops tiny buds on its body, containing the parents exact genetic material in the offspring.
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| What is an example of Regeneration? | Repairing a lost limb.
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| What is the order of cell division? | Interphase, Prophase, Metaphase, Anaphase, Telophase, and Cytokinesis. (Remember: I pushed Marcus at the cookie!)
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| What is Sexual Reproduction? | A cell from the mother combined with the cell from the father, so the offspring gets genetic information from both parents.
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| Gametes? | Cells that contain half the usual number of chromosomes.
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| Genetics? | Parents passing genes to their offspring.
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| A gene? | A unit of heredity that occupies a specific location on a chromosome and codes for a particular product.
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| A female has 2.....chromosomes | X
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| A male has an.....Chromosome, and a...... Chromosome. | X and Y
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| The 23rd pair of chromosomes are called sex chromosomes. Why? | They determine the sex of the organism.
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| Who investigated heredity? | Gregor Mendel
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| Phenotype | Physical Characteristics
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| Genotype | The genes an organism has.
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| Dominant trait | 1 or 2 copies can show through
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| Recessive Trait | 2 MUST be there for it to show through
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Jessica1589
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