Segregation and independent assortment are LEAST likely to be exhibited by genes in a) Escherichia coli b) Arabidopsis thaliana c) Caenorhabditis elegans d) Drosophila melanogaster e) Neurospora crassa

Q: Genes A and B are on different chromosomes. A dihybrid with the genotype AaBb undergoes meiosis.…

A: Genotype is the genetic makeup of and individual which determines the phenotype of an individual. In…

Q: A mutation results in an enzyme that is partially active compared to the wild -type allele. This…

A: A mutation is the alteration of the nucleotide sequence of the genome of an organism, virus or…

Q: In zucchinis there are two genes controlling flower colour. One gene determines if pigment is…

A: The gene controlling for the pigmentation is the Pp gene . Where allele for pigmentation is dominant…

Q: For an X-linked recessive disease where the father is unaffected: a) An affected father cannot pass…

A: When it is an X linked recessive pattern of inheritance, disease can only be manifested when it is…

Q: ngineer a chromosomally XY mouse in which SRY gene is inactivated. What do you expect to observe in…

A: The DNA molecule is bundled into chromosomes, which are thread-like structures found in the nucleus…

Q: hat is a balanced gamete? A).A gamete that does not contain any chromosomes with inversions B.)A…

A: Introduction Gametes are produced by meiosis before fertilization. Gametes contain half of the total…

Q: Which type(s) of chromosomal aberrations will suppress recombination in heterozygotes?  A.)…

A: Chromosomal aberrations It is a condition that affects autosomes, sex chromosomes, or both, and is…

Q: Recessive genes are usually expressed in humans only when ___ a ) they are coding for genetic…

A: There are two alleles of a single trait or a character, one which we are seeing in each generation…

Q: A XY individuals transcribe the Sxl gene early but not late. B XX individuals carry the Sxl gene, XY…

A: Sex lethal genes Sxl is a gene that is involved in the exression of the X:A signal . It is a…

Q: polyploidy B) chromosome inversions C) single gene mutations D) aneuploidy

A: Cytogenetics is the branch of genetics that studies the morphology of Chromosomes in the nucleus. It…

Q: Has the DNA sequence of the eye color gene been changed in part (b) compared with part (a)? How do…

A: before we could address the q, lets understand a few terms. 1.heterochromatin: a compressed form f…

Q: 7- What type of inversion has break points that flank the centromere? a) paracentric b) O…

A: Inversion is a phenomenon where chromosome rearrangement takes place, breakage and rearrangement…

Q: What is an open-reading frame? a) An unknown gene b) The protein-encoding sequence of a gene c) A…

A: ORFs are commonly found within genes, which are segments of DNA that contain the instructions for…

Q: Homologous chromosomes are separated from each other during: A) Metaphase II B) Prophase I C)…

A: In the cell cycle, there are four different stages where the segregation and distribution of…

Q: An organism whose cells contains two copies of each chromosome is called _______. A) a morph   b)…

A: Diploid organisms are organisms whose cells consist of two copies of each chromosome, known as…

Q: indicate if the following gene pairs are homozygous or heterozygous a) AA b) Rr c) aaBB d) MnNN e)…

A: BASIC INFORMATION  GENETICS  It is that branch of study in the field of science in which people…

Q: What is Epistasis? A) When one gene effect another B) When one gene effect multiple phenotype C)…

A: Introduction  Genes are the key component of genetic material which control almost all the cellular…

Q: a) "A particular DNA sequence" that codes for Hair colour is located in b) "chromosome 9". DNA…

A: Genetics is a branch of biology that studies genes, genetic diversity, heredity and variation in…

Q: In a study showing that approximately 10% of protein-coding genes are essential for Cell survival…

A: Human genome contains more proteins than number of genes. Not all genes are expressed at all times.…

Q: GENETICS Recombination between linked genes via crossing over occurs a) at the 2 strand stage,…

A: Answer is e.) during mitosis.

Q: In fruit flies a dominant mutation on the X chromosome causes the eye to be oval instead of round.…

A: Introduction :  Gene is a unit of heredity. It contains the genetic information. It is made up of…

Q: 44) Pick the answer that best describes how metaphase I and metaphase II differ from eact other. A)…

A: Meiosis is the process that converts a diploid cell into four haploid cells.Haploid cells contain…

Q: Which of these chromosomal rearrangements will result in formation of a loop during prophase I if an…

A: The chromosome is a thread like structure. It is made up of DNA, histone and non histone proteins.

Q: Which of the following could be used to produce seedless watermelons? A) cross between two 2n…

A: A typical watermelon contains 2 sets of chromosomes, referred to as diploid (2N); whereas, a…

Q: What creates polyploid plants in the wild? A) Complete meiotic nondisjunction B) Complete mitotic…

A: Polyploidy: It is a condition where a normal diploid cell acquires one more set of chromosomes. So…

Q: Genetic Recombination during meiosis creates species a) mutation b) variety c) tension d)…

A: Genetic recombination is the formation of a new genotype by exchange of genetic material between two…

Q: What gene is in the middle?

A: The genotypes found most frequently are the parental genotypes. Hence parents are: + + cn and b wx +…

Q: If you wanted to produce a fly larvae with two head ends, which of the following would you do?…

A: The pattern formation in drosophila is a complex developmental event that is performed by…

Q: An unfertilized egg cell from a goldfish contains 47 chromosomes.  How many chromosomes would be…

A: In case of sexually reproducing organisms haploid (n) gametes are produced from diploid (2n)…

Q: ion d)DNA that provides instructions for building a protein e)DNA that provides the instructions…

A: Gene is physical and functional unit of heredity. DNA that provides instructions for building a…

Q: A 26 kb chromosomal deletion causes the loss of gene ALPHA. This mutant allele of gene ALPHA is best…

A: The question is asking us to identify the type of mutation that best describes a situation where a…

Q: the location on a chromosome where a particular gene is located is known as the  A)allele  B)…

A: The filamentous bodies present in the nucleus are called chromosomes. They are visible during cell…

Q: In fruit flies red (A) eyes are dominant to apricot (a) eyes, and normal (P) wings and dominant to…

A: Given: In fruit flies red (A) eyes are dominant to apricot (a) eyes, and normal (P) wings and…

Q: Kinetochores are the a) sites of spindle fiber attachment to chromosomes. b) regions where two…

A: Introduction  Cell division is the process by which a parent cell divides into two or more daughter…

Q: How does recombination in bacteria differ from recombination in eukaryotes?

A: Answer: RECOMBINATION = This is the process of recombination in at genes level where a small piece…

Q: Question 12 Could a person could carry a harmful allele of an imprintable gene but not show the…

A: Since there are multiple questions in this particular question, I'll answer the first one for you.…

Q: Which process leads to independent assortment? a)The process of separating chromosomes b)The…

A: Cell division is a part of acell's life cycle. It consists of two parts, namely, cell division and…

Q: What is the genetic basis (karyotypes) and phenotype for each of the following disorders a) Edwards…

A: Genetic disease The diseases which transfer from the parents to their offsprings.

Q: How many chromatids are there on any chromosome at the end of S, before meiosis 1? a) 2 b) 8 c) 1…

A: Chromosomes are thread-like structures found within the nucleus of cells and are made up of DNA and…

Q: Determine whether each of the following events occurs in mitosis, in meiosis, or in both kinds of…

A: Cell division is a process of a parent cell replicating it chromosomal content and dividing itself…

Q: 1) The activity of the cell cycle is controlled by the abundance of:  A) protein ligases and…

A: The "cell cycle", also known as "cell division", is a set of processes that occur in a cell leading…