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25 Cards in this Set
- Front
- Back
- 3rd side (hint)
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A cell with 2 of each kind of chromosome... 2n, number of chromosomes
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diploid
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"di" means two
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A cell with 1 of each kind of chromosome... n number of chromosomes
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haploid
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'one' has three letters in it and 'hap' has 3 letters
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The pattern of reproduction that involves producing and fusing haploid sex cells
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sexual reproduction
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parents.. one sex of chromosomes from each
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haploid female sex cell made by MEIOSIS.
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egg
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female chickens lay ...
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when homologous chromosomes fail to seperate properly during meiosis...results in too many or too few chromosomes.
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NON-disjunction
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a junction is a place where two paths go seperate ways
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when there are 2 identical ALLELES for a trait
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homozygous
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"homo" the same one
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non-sister chromotids exchange genetic material during Prophase 1 of MEOISIS
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crossing over
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Results in new alle combinations....
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type of cell division where one body cell produces 4 GAMETES... each containing g 1/2 the # of chromo. as a parents's cell
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MEIOsis
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4 letters-sis
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major source of genetic variation... caused by re-sorting, or crossing over during MEIOsis.
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genetic recombination
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recombine means to switch around into different groups
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a diploid (2n) cell that is formed when a sperm fertilizes an egg
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zygote
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not a lamb, but a .....
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characteristic that is inherited...
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trait
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can be dominant or recessive
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different forms of a gene that result in all the variations, like colors of hair, type of noses...
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allele
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"all" the variations
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offspring formed by parents having different forms of a trait
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hybrid
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like a baby bird that like to fly high
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when characteristics are passsed on from parents to their offspring.
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heredity
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The parents say "HERE's my traits..you can have them"
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the combinations of genes in a organism
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genotype
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GENes O rganism
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fusion of male and female gametes
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fertilzation
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F..usion
F_ _ _ _ _ _ _ _ |
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the branch of biology that studies heredity
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Genetics
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heredidty is the passing on of genes from each parent
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male and female sex cells (sperm and egss)
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gametes
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sperm and eggs playing "guess who'
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reproduction between male and female parts of plants
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pollination
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P..lants
P _ _ _ _ _ _ _ _ _ |
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a trait that can be masked by a dominant trait... written in lowercase letters
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recessive trait
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recede..means to hide behind
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The type of trait that you see ... like brown eyes, strait hair... written in capitol letters
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dominant trait
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to dominate means to boss around...or control
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The outward appearance of an organism...regardless of its genes
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Phenotype
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a..P...P..earance
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when there are 2 different alleles for a trait
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heterozygous
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hetero means "different'
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endle's idea that becsue each plant has 2 different alles, it can produce 2 different gametes
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law of SEGREGATION
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to segregate means to keep in different groups
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Genes for different traits are inherited independently of each other (Mendel's other idea)
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law of INDEPENDENT ASSORTMENT
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an assortment is a mixed up bunch of candy
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