26 Questions
Meiosis is the process by which ______ gametes are produced
haploid
In males, meiosis occurs in the ______
testes
Homologous pairs exchange genetic material in many locations, called ______
chiasmatas
In females, meiosis occurs in the ______
ovaries
Reduction division: Each daughter cell gets one copy of each ______ chromosome
telophase
Tetrads line up in pairs at the equatorial plate, forming a double line during ______ I
metaphase
Spindle fibers pull homologous chromosomes toward opposite ends of the cell during ______ I
anaphase
Two haploid cells split, nuclear membranes ______
reform
Daughter cells go straight from Telophase I to ______ II
prophase
Nuclear membrane dissolves, nucleus disappears, centrosomes move to opposite poles, chromatin condenses into ______
chromosomes
Chromosomes line up on equatorial ______
plate
Spindle fibers move 23 single chromosomes to each ______
pole
Both cells turn into two haploid daughter cells, creating four cells in ______
total
Errors in Meiosis Structural chromosome mutations (4 types) Deletion: chromosome segment is ______
removed
Inversion: chromosome segment is ______
reversed
Fertilization: 1 haploid sperm + 1 haploid egg = 1 diploid ______
zygote
What is the term for a chromosome segment being relocated?
Transversion
What is the term for the specific location where crossing over occurs?
Chiasmata
In terms of Mendelian inheritance, what is the genotype for two dominant alleles?
Homozygous Dominant (TT)
What is the term for the reproductive cells, either sperm or egg cells?
Gametes
What is the term for the process by which haploid gametes are produced?
Meiosis
What is the term for the structure that appears during mitosis/meiosis and creates spindle fibers?
Centrosomes
What is the term for a chromosome segment being removed?
Deletion
What is the term for two homologous chromosome pairs that line up adjacent to each other?
Tetrads
In terms of Mendelian inheritance, what is the genotype for one dominant and one recessive allele?
Heterozygous (Tt)
What is the term for the event where homologous pairs exchange genetic material in many locations?
Crossing over
Learn about the process of meiosis, which is essential for the production of haploid gametes. Explore the different stages such as Prophase I and understand the key events that occur during meiosis.
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