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MORGS

QuestionAnswer
what are sex cells called? gametes
how many chromasosomes does sperm have? eggs? 23,23
meiosis production of the sex cells
How many types of reproduction? 2
Asexual reproduction involes one parent and offspring are identtical to the parentbody cells and most single-celled organisms
sexual reproduction tweo parents join together to formoffspring that are different from the parents
Diploid total number of chromosomes in an organsisms body cells
2n=? number of chrom. in the sex cells
di tow
a with out
Haploid half the number of chromosomes in an organism = n
homozologous chromosomes chromosomes that have the same set of genes
homo same
hap half
karyotype map of an individuals chromosomes
autosomes all the chromosomes exept the sex chromosome
auto self
female XX
male XY
tri three
trisome downsyndrome,21 chrom., extre one chrom. 3 chrom.
KIlnefelters-XXY guys only when they have girl features
XYY retarded and agressive
zygote the new cell that forms when a sperm fertilizes an egg
walter sutton that genes were located on the nuclues
What are the steps of meiosis? INterphase,prophase,metaphase,anaphase, telephase,interphase2 prophase2 metaphase2,anaphase2,telephase2
IN prophase what happens? crossing over occurs,homologous chrom. pare up
Homologous chrom. equal # of chromosomes
Metaphase? homo. chrom. line up at the eguator of the cell as pairs
Anaphase Homol. chrom. move to opp. poles
telephase ? cytokesis occurs
Is meiosis just like mitosis? yes
polar bodies? only one is a true egg
viable capeable to be an egg
Created by: morgan23
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