One of the autosomal loci controlling eye color in fruit flies has two alleles: one for brown eyes and the other for red eyes. Fruit flies from a true-breeding line with brown eyes were crossed with flies from a true-breeding line with red eyes. The F1 flies had red eyes. What conclusion can bedrawn from this experiment? (a) these alleles underwent independent assortment (b) these alleles underwent segregation (c) these genes are X-linked (d) the allele for red eyes is dominant to the allele for brown eyes (e) all the preceding are true

Q: In guinea pigs, the allele for black fur (B) is dominant over the allele for brown (b) fur. A black…

A: All the living cells go through a series of stages known as the cell cycle. Every cell has…

Q: Mouse fur color is affected by TWO unlinked loci. GG or Gg mice are agouti. Mice with genotype gg…

A: The phenomenon by which the expression of one gene expression is modified by another gene. The…

Q: A geneticist is working on 3 traits in mice with the mode of inheritance of each thought to be…

A: Linkage is defined as the tendency of two or more genes to remain together in the same chromosome.…

Q: Red-green color blindness is inherited as an X-linked recessive (Xc).  If a color-blind man marries…

A: Heterozygous means an individual having two different alleles of a gene. (In this case, the woman is…

Q: What is the genetic distance between red petals and waxy texture?

A: Gene distance  Gene distance means the number of bases present between two gene. On the basis of…

Q: 1) A cross is made between two plants differing in four independently-assorting gene loci, AABBCCDD…

A:

Q: Pigment in the mouse is produced only when the C allele is present.Individuals of the cc genotype…

A: Individuals of the cc genotype have no color. If the color is present,it may be determined by the A…

Q: Vestigial wing is a recessive autosomal mutation in the fruit fly Drosophila melanogaster. Wild-type…

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

Q: Consider the first category of test-cross offspring shown in figure 8.2 (+b, LS). Consider also that…

A: In the test-cross in question, heterozygous female flies with the genotype +b, LS were used. In…

Q: Two pure-breeding strains of flies are mated, and the F1 are intercrossed.  The first strain has…

A: The cross asked in the question is a dihybrid cross because two characters are involved here. First…

Q: In Drosophila, the genes ct(cut wing margin), y (yellow body), and v (vermilion eye color) are…

A: Crossing over of chromosome during meiosis is normal process occurring so that there can be…

Q: Two organisms, AABBCCDDEE  and aabbccddee,   are mated to produce an F1 that is self-fertilized.  If…

A: Given n alleles at a locus, the number genotypes possible is the sum of the integers between 1 and…

Q: ou are doing a genetics experiment with the fruit fly. In the “P” generation, you cross two…

A: The number of recombinants depends on the frequency of recombination. It is studied under the domain…

Q: A mapping experiment in strawberries shows that the genes for color and plant height are separated…

A: At the point when the alleles of one gene pair on one homologous chromosome pair arranges without…

Q: certain cactus, prickly spines can be two-pronged or one-pronged. If a homozygous one-pronged cactus…

A: In a monohybrid cross only one characteristic is taken. The dominant character is expressed either…

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.