Segregation distortion, non-mendelian segregation.
Usually they dont as homologous chromosomes form bivalents with other homologous chromosomes and crossing over occurs between the 2. But if a chiasmata does form between the t homologous chromosomes they can change information.
Synapsis is the process where replicated homologous chromosomes pair up and form tetrads during meiosis.
A failure of homologous chromosomes to separate in meiosis is called nondisjunction. This can result in cells with an abnormal number of chromosomes, leading to genetic disorders such as Down syndrome. Nondisjunction can occur during either the first or second division of meiosis.
crossing over.
When homologous chromosomes come together during meiosis, the process is called synapsis. This occurs during prophase I of meiosis, where homologous chromosomes pair up and form structures known as tetrads. This pairing allows for genetic recombination through the exchange of genetic material, a process called crossing over, which increases genetic diversity in the resulting gametes.
meiosis
a polar bodyEdited answer:Synapsis
Tetrad
synapsis
During meiosis, the homologous chromosomes come together during prophase I. Pairs of homologous chromosomes align during a process called synapsis and form a tetrad (four sister chromatids, two from each pair of homologous chromosomes). During synapsis, crossing over may occur, during which homologous chromosomes exchange genetic material.
Usually they dont as homologous chromosomes form bivalents with other homologous chromosomes and crossing over occurs between the 2. But if a chiasmata does form between the t homologous chromosomes they can change information.
The chromosomes that are paired, one from each parent, are called homologous chromosomes. These chromosomes carry genes for the same traits and are similar in size and shape. During meiosis, homologous chromosomes exchange genetic material through crossing over.
Homologous chromosomes pair up during the stage of cell division called meiosis, not mitosis.
Synapsis is the process where replicated homologous chromosomes pair up and form tetrads during meiosis.
A failure of homologous chromosomes to separate in meiosis is called nondisjunction. This can result in cells with an abnormal number of chromosomes, leading to genetic disorders such as Down syndrome. Nondisjunction can occur during either the first or second division of meiosis.
Homologous chromosomes are held together by a protein structure called the synaptonemal complex during meiosis. This complex helps align the chromosomes and facilitate genetic recombination between homologous chromosomes.
crossing over.