Meiosis
·
Diploid
organisms
Chromosome number same in
every cell
No In (maternal Paternal
-
.
= +
Chromosomes found
·
in nuclei
-DNA wrapped around histones (protein (
Organises chromosomes into compact structures of chromatids
-
Chromosomes in_ Cell Division
Contain genetic information
·
most of our
Information carried to next
generation via chromosomes
Chromosome before
·
replicates cell division
Ensures each
daughter cell
gets fall complement of
genetic material
-Diploid and Haploid
Chromosomes of
·
made up 2 Sets
One paternal maternal
-
and one
This is diploid number (2n)
-
·
Gametes have one set
One chromosome from each
homologous pair
Haploid number (n)
-
Meiosis
·
occurs in ovaries and testes
Sperm
Spermatogenesis
-
=
Egg cells
-
=
oogenesis
DNA Replication-
Ensures has material
·
mother
each new cell same
genetic as cell
-Prevents loss of DNA
Homologous
·
Pair
Paternal maternal
-
+ chromosome
Same size and shape
Different alleles
-
·
Diploid
organisms
Chromosome number same in
every cell
No In (maternal Paternal
-
.
= +
Chromosomes found
·
in nuclei
-DNA wrapped around histones (protein (
Organises chromosomes into compact structures of chromatids
-
Chromosomes in_ Cell Division
Contain genetic information
·
most of our
Information carried to next
generation via chromosomes
Chromosome before
·
replicates cell division
Ensures each
daughter cell
gets fall complement of
genetic material
-Diploid and Haploid
Chromosomes of
·
made up 2 Sets
One paternal maternal
-
and one
This is diploid number (2n)
-
·
Gametes have one set
One chromosome from each
homologous pair
Haploid number (n)
-
Meiosis
·
occurs in ovaries and testes
Sperm
Spermatogenesis
-
=
Egg cells
-
=
oogenesis
DNA Replication-
Ensures has material
·
mother
each new cell same
genetic as cell
-Prevents loss of DNA
Homologous
·
Pair
Paternal maternal
-
+ chromosome
Same size and shape
Different alleles
-
