Simple 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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| Grasshopper sex cells have half the number of chromosomes as their body cells. | show 🗑
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| show | false
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| Grasshopper body and sex cells have the same number chromosomes. | show 🗑
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| When grasshopper sex cells join, the fertilized egg has the same number of chromosomes as the body cells of the parents. | show 🗑
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| show | The process by which the number of chromosomes is reduced by half to form sex cells.
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| During meiosis, the two allels for each gene stay together. | show 🗑
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| show | 23 pairs of chromosomes
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| How many chromosomes do human body cells contain? | show 🗑
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| How are the genes lined up in a pair of chromosomes? | show 🗑
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| show | true
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| Proteins help determine the size, shape, and other traits of an organism. | show 🗑
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| What four nitrogen bases is a DNA molecule made up of? | show 🗑
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| show | a ribosome
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| show | The different forms of a gene.
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| show | A doubled rod of condensed chromatin; contains DNA that carries genetic information.
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| DNA | show 🗑
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| show | An allele whose trait always shows up in the organism when the allele is present.
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| show | The set of information that controls a trait; a segment of DNA on a chromosome that codes for a specific trait.
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| genetics | show 🗑
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| genotype | show 🗑
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| show | Having two different alleles for a trait.
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| homozygous | show 🗑
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| show | An organism that has two different alleles for a trait; an organism that is heterozygous for a particular trait.
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| meiosis | show 🗑
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| show | A change in a gene or chromosome
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| phenotype | show 🗑
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| probability | show 🗑
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| show | A chart that shows all the possible combinations of alleles that can result from a genetic cross
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| show | The offspring of many generations that have the same traits.
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| recessive allele | show 🗑
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| trait | show 🗑
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| heredity | show 🗑
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| Who is know as the father of genetics? | show 🗑
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| How many genes are there per trait in simple genetics? | show 🗑
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| show | a test cross
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| What can be used to predict the probability that a trait will pass from parents to offspring? | show 🗑
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| How many base pairs are genes usually made up of? | show 🗑
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| show | DNA and protein
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| show | somewhere between 20000 and 30000
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| How many chromosomes do most human cells have? | show 🗑
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| show | cloning
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| show | sex cells, sperm and egg
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| show | The order of the nitrogen bases.
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| show | one protein
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| During protein synthesis, the cell uses information from what on a chromosome to produce a specific protein? | show 🗑
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| show | ribosomes
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| show | thymine
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| What is thymine replaced by on RNA? | show 🗑
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| What are the two types of RNA? | show 🗑
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| show | To copy the coded message from the DNA in the nucleus and carry the message to a ribosome in the cytoplasm.
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| What is transfer RNA's job? | show 🗑
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| What is the first step in protein synthesis? | show 🗑
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| show | The protein chain grows longer as each transfer RNA molecule adds an amino acid.
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| What is a mutation? | show 🗑
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| How can mutations affect protein synthesis? | show 🗑
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| show | false
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| show | true
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| Some mutations occur when don't separate correctly during meiosis. | show 🗑
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| show | variety
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| Mutations that occur in a body cell can be passed on to an offspring. | show 🗑
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| All mutations are harmful? | show 🗑
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| show | Improve an organism's chances for survival.
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| show | environment
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| Gregor Mendel experimented with hundreds of pea plants to understand the process of what? | show 🗑
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| show | the pistil
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| show | the stamen
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| show | false
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| Recessive alleles hide dominant alleles. | show 🗑
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| show | true
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| show | a capital letter
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| What is a recessive allele represented by? | show 🗑
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| show | false
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| When Mendel crossed two hybrid plants for stem height, what results did he always get? | show 🗑
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| PHenotype | show 🗑
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| show | organism's GENe makeup
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| codominance | show 🗑
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| show | color
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| fili | show 🗑
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| show | birth, production, formation
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| show | sun
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| mono | show 🗑
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| show | change
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| show | many
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| script | show 🗑
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| show | state, quality
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| trans | show 🗑
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| show | bend, curve, turn, twist
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| show | pair
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