What would be the genotype(s) of F2 offspring that carry recombinant chromosomes? (Note: recombinant chromosomes are the product of crossing over). What percentage of F2 offspring would be Aabb?

Q: A Neurospora colony at the edge of a plate seemed to be sparse (low density) in comparison with the…

A: The mutation is any alteration that occurs in the nucleotide sequence due to impaired DNA copying,…

Q: Write the genotype and phenotype that would be expected from this cross.  Write the genotype and…

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Q: The table below shows the progeny of a test cross of a heterozygote (HhFfGg). Each row shows the…

A: Alleles Type Count H G F Parental 124 h g f Parental 119 H g F Double cross over 15 h G f…

Q: In Drosophila,, the curled mutation (cu, chromosome 3, position 50.0) results in wings that curl up,…

A: Alleles are the alternative forms of a gene that are located on the same locus of a homologous…

Q: Two genes (called gene A and gene B) are located on the samechromosome and are 12 mu apart. An AABB…

A: The Dihybrid cross is a crossing between two organisms, being heterozygous to two different traits.…

Q: A female of genotype a b c + + + produces 100 meiotic tetrads. Of these, 68 show no crossover…

A: A four-part structure that forms during the prophase of meiosis and consists of two homologous…

Q: autotetraploid Chinese primrose (Primula sinensis L.), the gene controlling stigma color is very…

A: Polyploidy is a condition in which there would be the presence of more than two sets of chromosomes…

Q: In corn, male sterility is controlled by maternal cytoplasmic elements. This phenotype renders the…

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Q: In Drosophila, a cross was made between a yellow-bodied male with vestigial wings and a wild-type…

A: Genes can be defined as an important unit of inheritance. A pair of genes is called allele. These…

Q: Consider the following dihybrid testcross: B/b • E/e  ×  b/b • e/e For the progeny from this…

A: If the genes are completely linked, then only parental progenies will be formed. If the genes show…

Q: The crossing of two orange-flowering plants results in 61 orange-flower progeny and 27 white-flower…

A: Introduction The passing on of traits from parents to their offspring is known as heredity, also…

Q: Three recessive genes are linked on the third chromosome: g (gray), m (micro), and p (plum). The…

A: Parents- Parent 1= +gp=240 (the highest number)  Parent 2= m++=220 (complementary of parent 1)…

Q: A cross in Drosophila melanogaster involved the recessive X-linked genes for white eye (w), yellow…

A: In Drosophila melanogaster , there as three types of genes :  A ) White eye ( w )  B ) Yellow body (…

Q: Let’s say there is an organism with two pairs of alleles, W/w and Z/z, each pair is located on a…

A: Mitosis is a type of cell division that occurs in all the cells except sex cells. Here the…

Q: In a species of bird, feather colour is determined by a single, non-autosomal gene that shows…

A: Given  Feather colour is non autosomal means it is sex based charecter. Parent phenotype  Female -…

Q: In the fruit fly Drosophila melanogaster, the trait of black body is due to a gene on chromosome 2…

A: To determine the recombination frequency and genetic map distance between the two genes, we need to…

Q: An individual heterozygous for a reciprocal translocation possesses the following chromosomes: A B •…

A: Chromosome may be defined as the condense form of DNA that can be inherited from one generation to…

Q: A serious genetic disorder results in dwarfism of the condors. Although this might not have…

A: Gene is the segment of DNA responsible for heredity. Two or more alternative forms of genes…

Q: y ec +y ec w Determine the order in which th Occur on the chromosome and pr 7.22 A cross involving…

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Q: d) Genes 1 and 2 exhibit Epistasis (9:6:1) and Gene 3 is an Autosomal Dominant. In the P generation,…

A: Epistasis is defined as a type of gene interaction when one gene mask or modify the expression of…

Q: ear shape in dogs

A: It is defined as the process where the genetic information is passed down from parents to their…

Q: An individual that is homozygous AABBcc is crossed to an individual that is homozygous aabbCC…

A: A chromosome is a highly condensed form of DNA and It wrapped into Nucleosomes. Humans have 22…

Q: These genotypes are crossed: AaBbCcdd x AabbCcDd. What will the proportion of the following…

A: The proportion of the AAbbCcdd: 1/4*1/2**1/4*1/2 = 1/16

Q: The following is a linkage map of chromosome 5 for three genes in tomato: (see image) The cross…

A: The distance between the genes that are located on the same chromosome are used to calculate the…

Q: hen crossing a true breeding white mouse with a true breeding brown mouse your friend tells you she…

A: Genes are the functional unit of heredity. They contain information that is transferred from one…

Q: Three recessive genes are linked on the third chromosome: g (gray), m (micro), and p (plum). The…

A: Given: Total progeny = 1000 Recessive: gray (g) micro (m) plum (p) Dominant denoted by + or can be…

Q: autotetraploid Chinese primrose (Primula sinensis L.), the gene controlling stigma color is very…

A: Hi! Since you posted many questions, we will be answering the first for you. Please post the other…

Q: Question 3 +6Probability of producing a child that will phenotypically resemble either one of the…

A: In a cross or breeding experiment, the number of potential genotypes is graphically represented by…

Q: Draw a Punnett square for the dihybrid cross. There are two known alleles of gene occupying a…

A: Dihybrid cross involves two genes in a cross. That's why the two traits are involved in this cross.

Q: three recessive genes a, b, and c in the model plant Arabidopsis are found to be linked on…

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Q: Gene “A” and gene “B” are not linked. Each has two alleles. The A allele is dominant over the a…

A: In this question, we are given with two genes A and B. These genes are such that allele A is…

Q: The gene that controls the Duffy blood type is D (affected D is dominant to d) and the gene that…

A: D allele encodes duffy blood type and it is dominant over d allele. dd encodes wild type.  L allele…

Q: Consider the following "pericentric" ("around the center") inversion. In one an individual, a…

A: One chromosome has a simplified gene sequence (1234 5678), while the other has a pericentric…

Q: Which crosses represent recombination in male gamete formation and which crosses represent…

A: Recombination frequency is used to measure the genetic linkage. It also used to create a genetic…

Q: In the pedigree below, male II-1 has Klinefelter syndrome, which is the result of an XXY karyotype.…

A: Klinefelters syndrome occurs when an abnormal XY sperm fertilizes a normal X egg, or a normal Y…

Q: You observe that 50% of the offspring of a two-locus mapping cross are recombinant.  You could…

A: Recombinant or recombination frequency can only be upto 50% and can not be over 50%.  The largest…

Q: Both hemophilia (h) and favism (gd) are inherited as X-linked recessive traits. Hemophilia is an…

A: The alleles are the alternative forms of a gene that are located on the same locus of a homologous…

Q: In Figure 4-14, in the bottom row four colors are labeledSCO. Why are they not all the same size…

A: Crossover is the event of recombination that occurs during meiosis.

Inheritance and Mendelian Genetics

Inheritance means the passing of traits to offspring from parents. These traits could be passed either through asexual reproduction or sexual reproduction. The offspring receives the genetic material from the parents. Mendelian inheritance is a certain biological inheritance that follows the rules and principles laid down by Gregor Mendel in 1865. The initial hypothesis was considered wrong, but other inheritance theories modified the concept of inheritance and thus genetics.