Sentences with phrase «chromosomes during meiosis»

Discovered two proteins crucial for proper partitioning of chromosomes during meiosis (improper partitioning is a major cause of human birth defects)

Two proteins she discovered help ensure proper partitioning of chromosomes during meiosis (improper partitioning is a major cause of human birth defects).

Appropriate dynamics and behavior of chromosomes during meiosis are essential to genetic integrity and reproductive success.

Not exact matches

Thawing caused ice crystals to form and prevented meiosis, the cellular process during which an egg's chromosomes split up from 46 to 23, to be united later with 23 chromosomes from a sperm cell.

To understand his hypothesis, consider that during the formation of a woman's eggs, paternal and maternal X chromosomes recombine during meiosis.

Like others before him, Schrödinger was struck by the fact that chromosomes are accurately duplicated during ordinary cell division (mitosis, the way in which an organism grows) and during the creation of the sex cells (meiosis).

Meiosis uses many of the same biochemical mechanisms employed during mitosis to accomplish the redistribution of chromosomes.

During meiosis, the cell copies all its chromosomes, pairs them up, and shuffles sections of genetic material between the arms of the paired or homologous chromosomes.

Because the chromosomes of each parent undergo genetic recombination during meiosis, each gamete, and thus each zygote, will have a unique genetic blueprint encoded in its DNA.

During meiosis, the genome of a diploid germ cell, which is composed of long segments of DNA packaged into chromosomes, undergoes DNA replication followed by two rounds of division, resulting in haploid cells called gametes.

The researchers genetically engineered the worm so that PP4 was functionally disabled, and then observed the consequences of its absence on chromosome regulation during meiosis.

Failure has often struck at the stage of meiosis, a type of cell division during which paired chromosomes swap DNA and the number of chromosomes per cell is halved.

Recombination refers to the formation of new combinations of genes naturally during meiosis, which is a stage of the cell cycle where chromosomes pair up and undergo exchange.

Something seemed to have gone terribly wrong during meiosis, the process that separates chromosomes so that when egg and sperm come together they each contribute half the genetic material to an embryo.

During meiosis, telomeres allow chromosomes to attach to the nuclear membrane, thus allowing them to exchange DNA fragments.

Heritable genetic variation is the result of genome instability during germ cell development, instability that arises through mutation, chromosome rearrangement or chromosome mis - segregation during mitosis or meiosis.

During meiosis, homologous chromosomes, one from the mother and the other one from the father, pair with each other and exchange parts (recombine).

To understand this lesser known phenomenon, the Cole lab (Zelazowski M et al, Cell, 2017) has directly studied chromosome recombination during male meiosis in juvenile and adult mice.

Finsterbusch F, Ravindranathan R, Dereli I, Stanzione M, Tränkner D, Tóth A Alignment of homologous chromosomes and effective repair of programmed DNA double - strand breaks during mouse meiosis require the minichromosome maintenance domain containing 2 (MCMDC2) protein.

Activity includes: • original cells in Prometaphase I showing bivalents and chiasma • cells in Prophase I showing chromosome line up during independent assortment • resulting gametes • (includes also - for an easier activity - cells in Interphase II showing cells after first round of division) Students to find matching cards (Prometaphase I, Prophase I and 4 resulting gametes) Aim: to get a greater appreciation of the variety in gametes created through crossing over and independent assortment during meiosis Print, laminate, chop up all cards, mix them up, go!