Which one is NOT a prezygotic barrier to successful reproduction? (i.e. all of them are prezygotic barriers except one) reproductive/genital parts do not match appropriately chromosome mis-match so the offspring are sterile mutation in courtship rituals mutations in the timing of reproduction

Q: What is the evolutionary significance of meiosis? Include references to the work of Darwin and…

A: Evolutionary significance of meiosis: 1) Meiosis is the sources of the sexual reproduction. Sexually…

Q: When you put the two coins that are flipped together, you are simulating what part of the process of…

A: Sexual reproduction is the combination of usually haploid having a single set of unpaired…

Q: The following diagram shows two pairs of homologous chromosomes. One pair of homologous chromosomes…

A: The sexually reproducing organisms produce gammates that are the unit of sexual reproduction. The…

Q: (b) P generation P generation Precocious Normal Normal Normal puberty ở Pp puberty ? pp puberty ? Pp…

A: The term precocious puberty means when the development/onset of puberty characteristic or changes…

Q: /hat could cause the ratio in a dihybrid cross to not be 9:3:3:1? random assortment parents are both…

A: A dihybrid cross is the breeding of two plants having two different traits (features). For example,…

Q: Which of the following does not help to increase genetic variability in the next generation?…

A: The differences between members of the same species at the genetic level are referred to as genetic…

Q: Which of the following best describes the role of recombination in genetic variation? Group of…

A: Approach to solving the question: To determine the best description of the role of recombination in…

Q: Which of the following describes a set of specific alleles on a chromosome?     Recombination…

A: Ploidy is a term which describe the number of sets of chromosomes in a cell. The term haploid…

Q: Mendel's laws of segregation and independent assortment are based on the movement of chromosomes…

A: Mendel conducted the experiments on the garden peas. He chose some unique traits of peas and…

Q: In a diploid species where 2n=26 a nondisjunction event occurs during meiosis II in one chromosome.…

A: When a sexually reproducing creature divides its cells into gametes, a genetic event known as…

Q: A new species of fly is discovered that has either blue or orange wings as the consequence of one of…

A: Meiosis results in mix and match of various genes of paternal and maternal set to increase…

Q: You know that the male's genotype is X –Y; visualize chromosomes: Note there a. 2 traits that are…

A: Crossing over occurs at two levels:- 1) At chromosomal level hence known as chromosomal crossing…

Q: Start with a single E/e ; G/g germ cell. It suffers nondisjunction during meiosis II. Which of the…

A: Non-disjunction can takes place in meiosis I or meiosis II where the chromosomes fails to separates…

Q: Inversion heterozygotes can have a higher probability of producing gametes that are abnormal in…

A: Organism consisting of an one homolog consisting of inverted Segment while another consists of…

Q: long chromosome of somatic cells of somatic cells gene of germ cells of germ cells gene of either…

A: Mitosis and meiosis are the types of cell division. Mitosis occurs in all the cells of the body…

Q: What percentage of the DNA is passed to the offspring in asexual reproduction

A: Deoxyribonucleic acid is a molecule which is composed of two polynucleotide chains that coil around…

Q: Why is the chromosome 21 trisomy the most common among live births, relative to trisomy of other…

A: Chromosome 21 trisomy or Downs syndrome is a genetic condition caused by an extra copy of chromosome…

Q: Trisomy 21, or Down syndrome, occurs when there is a normal diploid chromosomal complement but one…

A: The DNA (deoxyribonucleic acid) is the hereditary unit of an organism. DNA is formed of the…

Q: ay be different alleles Contain identical alleles of the same genes Inherit one homologous…

A: Chromosomes are the genetic information which gets transferred from parents to the offsprings. These…

Q: Meiosis produces daughter cells that are ; while mitosis produces daughter cells that are O Similar…

A: Meiosis produces daughter cells that are very different from each other and from the parent cell ;…

Q: What is the name of DNA-strand exchange mechanism that explains recombination events during meiosis?…

A: Homologous recombination occurs in the prophase of meiosis-I. It is the change of DNA fragments…

Q: Cell Membrane Metaphase B d Genotype Prophase I Nuclear Membrane DNA Synthesis O Equatorial Plate…

A: Solution:- Meiosis I segregates homologous chromosomes, which are joined as tetrads producing two…

Q: w might a human having the XX sex chromosomes can develop as a male?      Both of his X chromosomes…

A: Female is presented with XX chromosome and male is presented with XY chromosome. The X and Y…

Q: Which of the following is not responsible for generating variation in gametes from a single…

A: The cell is the basic structure of life. One cell derived from a pre-existing cell through the…

Q: Sexual reproduction and meiosis go hand-in-hand. Meiosis is the process responsible for gamete (sex…

A: Cell cycle are the series of events that produce daughter cells from parent cell.

Q: how many sex chromosomes are in a human gamete? A-five B- four C- one  D- two  E- three

A: Chromosomes are present inside the cell nucleus and made up of DNA (Deoxyribonucleic acid) molecules…

Q: A transfer of genes between non-homologous chromosomes is known as   aneuploidy   crossing over…

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

Q: Vhich of the following chromosomal rearrangements usually results in normal eiosis? translocation…

A: Chromosomal rearrangement, also known as DNA crossover, occurs during pachytene stage of first pro…

Q: Assume that there are 12 map units between two loci in the mouse and that you are able to…

A: The point of exchange of segments between non-sister chromatids of homologous chromosomes during…

Q: Which parent(s) are genes involved in cytoplasmic inheritance inherited from?     The paternal…

A: The genetic material of a cell is found in both the nucleus and the cytoplasm. The characteristic…

Q: females infertility the germ line less one too many a normal amount of autosomes one too few death…

A: The questions asked here is about Turner syndrome. Half of the question is already answered in the…

Q: Flies and mammals use an XY chromosomal system of sex determination. Therefore, the mechanism to…

A: FALSE Females contain two X chromosomes and meals contained only one X chromosome in individuals…

Q: What is the corect order of these meiotic events? A Segregation of homologous chromosomes to…

A: The indirect process of cell division in which the chromosome of parent cell divide once, but…

Q: An inversion heterozygote has the following inverted chromosome:What would be the products if a…

A: Chromosome is the package of densely packed chromatin fibres with DNA and histone proteins. In…

Q: At the end of S phase, each chromosome has replicated to produce two complete copies that are joined…

A: The number of chromatids on chromosomes doubles after replication, however the nuclei stay diploid…