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Study guide
What to need to know sheet?
Question | Answer |
---|---|
What is a lethal mutation? | Mutation that causes death. |
Do all mutation affect the offspring? If not, what type of mutation does not affect the offspring? | No, there is a mutation called Somatic mutation that does not affect the offspring. |
What causes down syndrome? | Ploidy, a change in the # of chromosomes 1 to many of the 21st pair causes down syndrome. |
What is cloning? Which term does not relate to cloning: embryo splitting, identical twins, hybrids, asexual reproduction? | Cloning is a population of organisms with identical genes produced by the asexual reproduction of an individual; the process of producing such organisms. |
When do somatic mutations occur? | In body cells. |
Who was the OT patriarch who practiced selective breeding techniques to increase his wages? | Jacob |
What is selective breeding? | Choosing certain organisms with desirable traits to breed in the hope that their offspring would also have the desired traits. |
What is albinism? | A condition in which an organism is unable to produce certain pigments; especially noticeable in the cells of the skin, hair, and irises of the eyes. |
What is genome? | A complete set of an organism's genes. |
Can mutations happen at any time? | Yes |
Are mutations seldom considered harmful? | Mutations are almost always considered harmful although some cause so little damage as to be unnoticeable. |
Are there some mutations that do not appear to affect the organism at all? | Yes, like the color of the apple. |
Can a person be a carrier of a dominant disorder but not have the disorder themselves? | Yes |