In garden pea plants, tall stem height (T) is dominant over short stem height (t), and round seed shape (R) is dominant over wrinkled seed shape (r). A tall, wrinkled seed plant (Ttrr) is crossed with a tall, round seed plant (TtRR). Which row identifies the gametes produced by these plants? Select one: a. Tall wrinkled  Tall round Tr and tr TR, Tr, tR, and tr b. Tall wrinkled  Tall round Tr and tr TR and tR c. Tall wrinkled  Tall round TR and tR Tr and tr d. Tall wrinkled  Tall round TR, Tr, tR, and tr TR and tR

Q: In Drosophila, a fully heterozygous female with the X-linked recessive genes a, b, and c (not…

A: A fully heterozygous female with x linked gene a, b, c was mated with male a, b, c. Parental cross -…

Q: sh 39 (a) Using proper nomenclature, determine the genotypes of the P and F1 generation. a il…

A: If the genes are located on the same chromosome then they are called linked genes and they do not…

Q: BLACK VESTIGIAL DIHYBRID TESTCROSS In the parental generation, you mate a pure-breeding wild-type…

A: If the genes are located on the same chromosome then they are classified as linked genes. In this…

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: picture shows the results of a cross between a tall pea plant and a short pea plant. Q. What…

A: Backcross is a type of cross in which F1 generation is crossed with recessive parent.

Q: Imagine Drosophila genes C, D, and E are autosomal genes located close to each other on the same…

A: If many genes are located on the same chromosome then the crossing over between them will be reduced…

Q: You have a purple-flowered pea plant, but you do not know if it is homozygous (PP) or heterozygous…

A: The P allele encodes purple flower. This allele is dominant over p allele. The pp encodes white…

Q: In the model plant Arabidopsis thaliana, the following alleles were used in a cross: T = presence of…

A: a) To find: The appearance of the F1

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

A: Blue colored flowers is because of the A alleles and slate colored flowers result from a alleles; G…

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

A: For a variety of reasons, using male sterility decreases the cost of hybrid seed production. It…

Q: In tomato plants, tall vine (D) is dominant over dwarf vine (d) and round fruit (O) is dominant over…

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

Q: In garden peas, the gene for red flowers (R) is dominant over the gene for white flowers (r). If…

A: Introduction Genetic characters are passed down through inheritance from parents to the offspring,…

Q: What gametes, and in what frequencies, are produced by a female Drosophila of genotype A B / a b…

A: Drosophila, sometimes known as fruit flies, has been used as a model organism in genetic study for…

Q: A mutation of Drosophila has a wing condition known as beaded. When a beaded fly was crossed with a…

A: The wildtype flies have long and full wings. The mutated flies have beaded wings that can be due to…

Q: In garden pea plants, axial flower location is dominant (A) to terminal flower location (a). If two…

A: Gghh

Q: In a certain plant, the seed traits are as follows: Color: white (W) is dominant over yellow (w)…

A: A trihybrid cross is a cross in which three traits are involved . Here , in certain plant , there…

Q: PURPLE VESTIGIAL DIHYBRID CROSS In the parental generation, you mate a pure-breeding wild-type…

A: Introduction  A dihybrid cross is made up of two individuals who have two features that are…

Q: Male Drosophila from a true-breeding wild-type stock were irradiated with X-rays and then mated with…

A: J. Muller first showed in his experiment that exposure to certain dose of X-rays higher than the…

Q: A homozygous tall plant (T) bearing red coloured ( R) flowers is crossed with homozygous dwarf plant…

A: A dihybrid cross is a breeding experiment between two organisms which are identical hybrids for two…

Q: In Drosophila, a female with three recessive traits, miniature wings, (m), ebony body (e) and rough…

A: This question is about a genetic problem involving the inheritance of traits in Drosophila flies.…

Q: PURPLE VESTIGIAL DIHYBRID TESTCROSS In the parental generation, you mate a pure-breeding wild-type…

A: Recombination frequency is the number of organisms that are produced from a genetic cross. The…

Q: Forked bristles, miniature wings, and sable bodies are all homozygous recessive traits whose genes…

A: In genetics when two to three genes are present I the same chromosomes, it is termed as linked…

Q: Drosophila can have a yellow-brown body (wild-type [+]) or a black body [b] as a result of a…

A: Only wild-type Drosophila for both features, [+, +], were present in the F1 progeny of the initial…

Q: nite (b) in a certain species of flowering plants. If a tes AaBb) results in a 1 tall and white :1…

A: Given that: AB are dominant i.e.. tall and red . ab are recessive i.e.. short and white. After the…

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

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Q: Given two strains of autotetraploid plants  AAaa – in this plant the gene is close to the…

A: For AAaa gametes in F2 generation would be Aa and Aa . Genotypic ratio - 1:2:1 phenotypic ratio- 3:1…

Q: In Drosophila melanogaster, ebony body color is determined by the e allele. The e+ allele produces…

A: In an incomplete dominance neither of the two alleles express themselves in a heterozygous…

Q: A cross is made in tomatoes between a female plant thatis trisomic for chromosome 6 and a normal…

A: In genetics, a cross is the result of mating two parents with different genes, resulting in…

Q: n garden peas, yellow seeds (Y)(Y) are dominant to green seeds (y)(y), and inflated pods (I)(I) are…

A: There are four possible combinations of gametes for the YyIi parent. Half of the gametes get a…

Q: shows the results of a dihybrid cross involving seed shape and seed color. a. What proportion of the…

A: Let the seed shape be RR and seed seed colour be YY

Q: In Drosophila, an X-linked recessive mutation, (s) causes irregular wing margins. Give the…

A: Drosophila melanogaster is a fruit fly having 2n = 8 chromosomes. The male has a sex pair of…

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.