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unit 5 APbio

QuestionAnswer
Heredity is the concept of passing genes on from generation to generation
what are gametes reproductive cells / sex cells created during meiosis
what is the male gamete haploid sperm celll
what is the female gamete haploid egg/ovum cell
what is a haploid cell cells that only contain one set of chromosomes sperm or egg cells
haploid cells are formed by the process of meiosis
what is the purpose of meiosis to create variation within the population
meiosis involves ONE round of DNA replication TWO rounds of cellular division
crossing over homologous chromosomes share genetic material by exchanging bits of DNA
independent assortment the way chromosomes line up doesn't have to be separated like a wedding mom side and dad side can mix up anyway
random fertilization you can not choose the egg nor the supreme which means parents can not create the same child
what is the role of meiosis 1 to reduce the number of chromosomes by half
what is the role of meiosis 2 to separate sister chromatids so each daughter cell gets one copy
what is the first difference between meiosis 1 and meiosis 2 during interphase DNA is copied before meiosis 1 but it is not copied before meiosis 2
what is the second difference between meiosis 1 and meiosis 2 prophase 1- synapsis / crossing over prophase 2- no crossing over
what is the third difference between Meiosis 1 and Meiosis 2 Anaphase 1- homologous chromosomes seperate Anaphase 2- chromatids separate
what part of meiosis results in the reduction of chromosomes number separation of homologous partners in anaphase in anaphase 1 so each daughter cell gets a maternal or paternal chromosome and not both
describe the daughter cells resulting from meiosis 4 haploid daughter cells genetically different from each other and parent
in what phase does homologous chromosomes separate during meiosis anaphase 1
what process occurs during meiosis that causes daughter cells to be haploid separation of homologous chromosomes during anaphase 1 decreases the chromosome number from diploid to haploid
how does crossing over increase genetic diversity different combos of maternal and paternal alleles. together on the same chromosomes
what is an allele one of two pieces of genetic information that make up a gene determine distinct traits located at a specific position on a specific chromosome
an individual inherits how many alleles two for each gene one from each parent
True-breeding Organisms that produce offspring of the same variety over many generations of self-pollination/self-fertilization
what is commonly found within the world for true breeding asexual reproduction to keep the bloodline pure
P generation the Parents usually the beginning genotypes presented
when is independent assortment present at random in metaphase 1 not a wedding
when chromosomes form an x they are referred to as sister chromatids which in anaphase 2 are separated
f1 generation the first offspring derived from the parents
f2 generation the offspring derived from the f1 generation usually 34d
law of segregation two alleles for each gene will separate during misosis; homologous chromosomes in each gamete
father of heredity geroge Mendel
monohybrid organism that is heterozygous
Pt monohybrid
PpTt dihyprid
Created by: Zariii
 

 



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