Ch 11 Test Flashcards
Mendel 200
Law of segregation
Mendel 300
Blending
The outward appearance
Genetics 1 100
Phenotype
Mendel used this organism to study how traits are inherited
Peas
Prophase 1
- spindle fibers start forming and centrosomes bine to opposite poles
- nuclear envelopes and nucleolus disappear
- chromatin coiled up to become chromosomes
- pairs of homologous chromosomes lie next to each other in tetrad form
- crossing over occurs between the non sister chromtids
Metaphase 1
-homologous pairs of chromosomes line up at metaphase plate, spindle fibers from opposite poles grab to one of the partners
Anaphase 1
-homologous pairs separate (sister chromatids remain together)
Telophase 1
-chromosomes finish journey
RESULT: 2 haploid cells
Prophase 2
-spindle reforms the nuclear envelope, nuclear envelop & nucleous disappear
Metaphase 2
-chromosomes line up on metaphase plate
Anaphase 2
Sister chromatids separate
Telophase 2
-nuclear envelope forms
Homologous pairs of chromosomes line up at metaphase plate, spindle fibers from, opposite poles grab to one of the partners
What phase
Metaphase 1
Spindle reforms the nuclear envelope, nuclear envelope disappears.
What phase
Prophase 2
Nuclear envelope forms
Telophase 2
Sister chromatids separate
What phase
Anaphase 2
Homologous pairs separate (sister chromatids remain together)
What phase
Anaphase 1
What’s the order of the phases
Prophase 1 Metaphase 1 Anaphase 1 Telophase 1 Prophase 2 Metaphase 2 Anaphase 2 Telophase 2
Crossing over occurs between tetrads
Prophase 1
A diploid cell that enters mitosis with 16 chromosomes is 16 will produce _____ daughter cells. Each of these daughter cells will have _____ chromosomes
2
16
What is a diploid cell?
A cell consisting of two sets of chromosomes
What is a haploid cell
A cell with a single set of chromosomes
A diploid number of chromosomes is always ____
Even
In a parent plant with the allele pair Gg, what is the probability that one gamete will contain the G allele?
50%
