GENETICS: X LINKED GENES In fruit flies, eye color is a sex linked trait. Red is dominant to white. . What are the sexes and eye colors of flies with the following genotypes: XRY X'Y XRX XRXR What are the genotypes of these flies: white eyed, male white eyed, female red eyed female (heterozygous). red eyed, male Show the cross of a white eyed female X'X' with a red-eyed male X RY. Show a cross between a pure red eyed female and a white eyed male. What are the genotypes of the parents: & & How many are: white eyed, male_ red eyed, male How many are: white eyed, male_ white eyed, female Show the cross of a red eyed female (heterozygous) and a red eyed male. What are the genotypes of the parents? red eyed, male red eyed, female white eyed, female red eyed, female

Q: Certain genes determine sex, fertility, and viability in Drosophila, and mutations in these genes…

A: Drosophila shows various gene expressions in sex differences. They show sexual dimorphism in gene…

Q: In Drosophila melanogaster, white eyes (w) is an X-linked recessive mutation. Normal eyes are red…

A: The normal eyes are red in Drosophila melanogaster. Normal red eyes are represented by W. Whereas,…

Q: Fruit flies (Drosophila) were mated. Cross #1 - 2 male red eyes (se+), wild wings(ap+) X 4 female…

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

Q: 166. In Drosophila crossing over occurs in female but not in male. Gene A and B are 10 map unit…

A: Ans: Crossing over: The swapping of genetic material which occurs in germ line is referred as…

Q: A) Calculate the map distance separating the three genes B) Which gene is in the middle?

A: Symbol  white eyes = r short wings = l  ebony bodies = g    red eyes = R long wings = L  Gray bodies…

Q: In Drosophila, the white gene located on the X chromosome affects eye color; an autosomal gene,…

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

Q: In fruit flies, eye color is an X-linked trait.  Red eyes (XB) are dominant to maroon eyes (Xb). A…

A: An alternate form of a gene is called alleles.  The dominant allele is represented by a capital…

Q: THEME I: Remember that red-green color blindness is X-linked recessive and consider the information…

A: Since red-green color blindness is X-linked recessive trait, the color blind father of individual A…

Q: An individual has the following reciprocal translocation: B CDE H B CDE H A J e. What is the name of…

A: When two non-homologous chromosomes exchange their chromosome segments, the resulting chromosomal…

Q: DIHYBRID CROSS: In rabbits, assume that spotted skin (G) is dominant over non-spotted skin (g) and…

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