Which of the adhering to steps would certainly NOT bring about variation of genetic material? A) crossing end of non-sister chromatids B) crossing over of sister chromatids C) the alignment the the chromosomes throughout metaphase ns D) the combination of sperm and also egg genes. E) mutations
Which that the adhering to is not a difference in between anaphase I and also anaphase II? A) each chromosome is created of two chromatids in anaphase I and only one chromatid in anaphase II. B) Anaphase ns occurs in a haploid cabinet while anaphase II occurs in a diploid cell. C) sister chromatids separate throughout anaphase II when homologous chromosomes separate throughout anaphase I. D) The cell undergoing anaphase II is genetically different from from what it contained while experience anaphase I. E) all of these room true statements
It can be claimed that males are able to provide gametes with more genetic diversity than females for reproduction. One key reason would be: A) Males provide an ext genes in sperm 보다 females carry out in eggs. B) Crossing end occurs more often in the development of sperm 보다 in eggs. C) Spermatogenesis in males outcomes in 4 functional sperm while oogenesis in females outcomes in only one egg and three structures that contain hereditary information the is shed when they disintegrate. D) Sperm the contain a recombination that genes are usually more successful in fertilizing one egg. E) every one of these are feasible contributors to hereditary diversity.

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C) Spermatogenesis in males outcomes in four functional sperm while oogenesis in females results in just one egg and also three structures that contain hereditary information that is lost when they disintegrate.
The cell formed through fertilization is dubbed a/an A) gamete. B) sperm cell. C) zygote. D) egg cell. E) ovum
If a sperm cell consists of 8 chromosomes, it comes from an animal that has ______ chromosomes. A) 4 B) 8 C) 12 D) 16 E) 24
The two chromosomes that space members that the very same pair are described as A) tetrad. B) homologous. C) haploid. D) diploid. E) chromatid.
Another surname for a tetrad is a/an A) homologue. B) bivalent. C) öocyte. D) gamete. E) polar body.
If a cell has 12 chromosomes in ~ the finish of meiosis I, how plenty of chromosomes will the daughter cell contain at the end of meiosis II? A) 3 B) 6 C) 12 D) 24 E) 48
During which phase of meiosis walk crossing-over occur? A) prophase ns of meiosis i B) anaphase i of meiosis II C) telophase i of meiosis ns D) prophase II of meiosis II E) anaphase II that meiosis I
Homologous chromosomes are similar in all of these attributes EXCEPT: A) similar in size. B) lug the same alleles for all traits. C) carry genes because that the very same traits. D) similar in shape and also location of the centromere.
What is the importance of crossing-over? A) It offers extra hereditary material because that the daughter cells. B) It rises the likelihood that daughter cells contain different genetic material. C) that produces the proteins that are associated with DNA in chromosomes. D) It boosts chromosome condensation. E) the separates the homologous chromosomes.
The overall function of meiosis includes every one of the following except A) gamete production. B) reduction of chromosome number (from 2N to N). C) providing genetic variation in sexually reproducing organisms. D) growth of the overall individual.
Sources of hereditary variation in a sexually reproducing populace include(s) i m sorry of the following? A) crossing end in Prophase ns of meiosis B) live independence assortment in Metaphase ns of meiosis C) fertilization D) all of the choices are resources of hereditary variation. E) nobody of the choices are resources of hereditary variation.
To what walk the term chiasma refer? A) the process of fertilization B) the life bike of a fungus C) the process of crossing-over D) a structure that holds with each other homologues during crossing-over E) the duration between meiosis I and also meiosis II
During which stage of meiosis are the bivalents arranged follow me the equator? A) prophase i B) metaphase II C) anaphase II D) prophase II E) metaphase I
At which phase of meiosis is every chromosome written of a solitary chromatid? A) prophase i B) metaphase II C) anaphase II D) prophase II E) metaphase I
During which phase of meiosis does homologue separation occur? A) prophase i B) anaphase ns C) telophase i D) prophase II E) anaphase II
Which declare is not true around homologues during the events of meiosis I? A) Homologous chromosomes pair to type a tetrad. B) Homologous chromosomes separate and go to different daughter cells. C) each homologue"s centromere splits to kind two chromosomes. D) Homologues exchange genetic material in between non-sister chromatids. E) Homologues interact with the spindle as if they to be one chromosome.
The genus Lacerta is written of a types of lizards that space female and do not mate. They undergo "endomitosis" wherein one extra chromosome replication results in a tetraploid cell prior to meiosis begins. Regular female 2n offspring an outcome without fertilization. What change(s) from consistent meiosis (in ready for fertilization) would be compelled to develop this system? A) The haploid cell commodities of meiosis II fuse. B) Meiosis stop after meiosis I and also does not proceed to meiosis II. C) Cytokinesis does no follow "endomitosis" that outcomes in a tetraploid cell. D) during anaphase II, the sister centromeres fail come separate and also daughter cells will not form. E) throughout anaphase II, the daughter chromosomes space non-disjunctive and are every pulled come one daughter cell.
Interkinesis is various from interphase in i beg your pardon way? A) Interkinesis occurs after a cabinet finishes a atom division. B) Interkinesis is the phase that precedes a prophase stage. C) Interphase involves DNA replication and also interkinesis does not. D) Interkinesis deserve to be variable in length.
Which does NOT take place in meiosis? A) 2 daughter cells are formed at completion B) four daughter cells are developed at perfect C) 2 nuclear divisions occur D) formation of bivalents E) hereditary recombination
Meiosis wake up during all of the following other than A) gametogenesis. B) oogenesis. C) pangenesis. D) spermatogenesis.
The polar body is A) one more name for an egg cell. B) a precursor cell the becomes an egg cell. C) a nonfunctional cell made at the very same time together an egg cell. D) the cell created when fertilization occurs. E) a specialized sperm cell
Why carry out polar body form? A) they nurse the egg as it leaves the follicle. B) This is extra chromosomal material representing the X chromosome in each female cell. C) lock orient the sperm toward the egg. D) They allow a palliation in chromosomes while keeping all the food because that one egg. E) they orient the egg because that penetration by the sperm.

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Which the the following is/are true about sexual reproduction? A) It different from asexual reproduction since it involves two cell fusing to come to be one. B) It needs the development of frameworks or guts (such as the uterus in humans) which are of no immediate survival benefit to the individual but are advantageous to the species. C) it facilitates adaptations come the external atmosphere in a shorter period of time. D) the facilitates adaptations come the internal setting (disease agents, parasites) in a shorter duration of time. E) every one of the selections are true.