Regents Biology Final Exam Review for Genetics
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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| How many chromosomes do humans have? | show 🗑
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| How man homologous pairs do humans have? | show 🗑
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| show | Corresponding; having the same alleles or genes in the same order of arrangement.
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| show | Genes of the same traits.
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| show | Two. Once from each parents, one on each member of the homologous pair.
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| show | XX (letters always capital)
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| show | XY (letters always capital)
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| show | Smaller. This means many genes on the X chromosome do not have a "partner."
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| How many genes does each chromosome have? | show 🗑
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| show | A particular protein.
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| show | No, not denim! They're made from nucleic acids.
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| show | Yes. While genes determine our traits, the environment can affect the expression of genes.
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| show | DNA.
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| show | If your genes and chromosomes are the "instruction manual" for your body, DNA would be the paper it is printed on.
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| What is one other way to describe DNA? | show 🗑
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| What is the shape of a DNA molecule? | show 🗑
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| show | To replicate, or copy, itself almost exactly.
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| show | A, T, C, and G.
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| show | A & T and C & G.
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| What are the four bases of RNA? | show 🗑
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| show | Adenine Thymine.
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| What does G:C stand for? | show 🗑
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| show | Amino acids.
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| show | Through Protein Synthesis.
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| What is a codon? | show 🗑
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| What does each codon represent? | show 🗑
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| show | Protected in the nucleus.
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| show | In the Cytoplasm.
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| What builds proteins? | show 🗑
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| What carries a copy of the genetic code from the DNA to the ribosomes? | show 🗑
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| As the ribosome reads the genetic code of the mRNA, what brings the correct amino acid to the ribosome? Which then bonds the amino acids together. | show 🗑
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| show | In the same order they are listed in the DNA codons.
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| The amino acids are bonded together to make a what? | show 🗑
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| show | The Shape of the protein.
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| The shape of a protein determines what? | show 🗑
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| show | The Function.
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| What do proteins coded by DNA do? | show 🗑
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| The order of DNA _____ in your genes determines the order of _____ _____ in your proteins, which determines the protein's ______ and ______. | show 🗑
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| What does your body functions depend on? | show 🗑
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| show | Changes in genetic characteristics.
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| show | If they occur in reproductive cells (sperm or egg).
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| Gene mutations may cause what? | show 🗑
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| When are gene mutations caused? | show 🗑
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| show | Any chemical substance or physical agent that is capable of enhancing the frequency of detectable mutants with in a population of organisms' cells.
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| What is a common mutagenic agent? | show 🗑
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| show | When a person inherits too many or too few chromosomes.
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| show | They affect many genes at once. Most are lethal.
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| show | Non-lethal mutation, caused by inheritance of an extra copy of chromosome 21.
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| Define Selective Breeding. | show 🗑
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| show | Breeding plants (food crops, like corn, wheat) and animals (livestock, like cows) for agriculture or breeding animals such as pets (like dogs, cats, birds).
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| show | The deliberate modification of an organism by manipulating its genetic material.
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| What are used to cut and paste the DNA segments? | show 🗑
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| show | Bacterial.
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| Name two important examples of gene engineering. | show 🗑
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| show | They are identical to normal human hormones.
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| show | Karyotyping, DNA fingerprinting.
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| What is karotyping? | show 🗑
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| show | Gel electrophoresis; creates banded patterns based on a person's DNA base sequence.
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| What are ethics? | show 🗑
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Or sort by any of the columns using the down arrow next to any column heading.
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