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re true breedin femaler cury wingh male:...
Drosophila genetics hw. Can someone help explain this You are doing a genetics experiment with the...
Drosophila genetics hw. Can someone help explain this
You are doing a genetics experiment with the fruit fly. In the "P" generation, you cross two true-breeding flies. The female parent is brown and wingless and the male parent is black with normal wings. All of the flies in the F1 generation are brown and have normal wings. Indicate the alleles associated with dominant phenotypes by uppercase letters and alleles associated with recessive phenotypes by lowercase letters. Assume the genes are...
Assortment of genes on same chromosome In the fruit fly Drosophila, there is a dominant gene...
Assortment of genes on same chromosome In the fruit fly Drosophila, there is a dominant gene for normal wings and its recessive allele for vestigial wings. At another gene locus. there is a dominant gene for red eyes and its recessive allele for purple eyes. A female that was heterozygous at both gene loci was mated with a male that is homozygous for both recessive alleles. Knowing this, complete the sentences with the correct terms. 94% crossing over independent assortment...
15. You are studying com plants. You were able to determine that the gene for kernel...
15. You are studying com plants. You were able to determine that the gene for kernel color (C-colored and no color) and kernel waxiness (W = waxy and not waxy) are on the same chromosome and are 30 CM apart. You are ultimately interested in determining the potential phenotypic ratio if crossing over occurs. You start by crossing a male who is homozygous dominant for both genes with a female who is homozygous recessive for both genes. The F1 heterozygotes...
6. In Cross 1, a yellow eyed, long wing fruit fly from a pure breeding strain...
6. In Cross 1, a yellow eyed, long wing fruit fly from a pure breeding strain is mated to a red eye, short wing fruit fly from a pure breeding strain. All of their offspring (F1) had red eyes and long wings. In Cross 2, one of the F1 offspring is mated to a fly with yellow eyes and short wings, and this cross gave the following F2 population: 194 flies with long wings and red eyes, 796 flies with...
Show your work for all problems. 1) A diploid species of hamsters has a total of...
Show your work for all problems. 1) A diploid species of hamsters has a total of 4 chromosomes (2n = 4). A gene for whisker length is encoded by an autosomal gene and the long whisker allele (H) is dominant to the short whisker allele (h). A second gene located on the X chromosome is responsible for nose color. The brown nose allele (B) is dominant to the pink nose allele (b). A. (8 pts) A male with short whiskers...
Miniature wings in Drosophila melanogaster result from an X-linked gene (Xm) that is recessive to an...
Miniature wings in Drosophila melanogaster result from an X-linked gene (Xm) that is recessive to an allele for long wings (X+). Sepia eyes (s) are produced by an autosomal gene that is recessive to an allele for red eyes (s+). A female fly that is true-breeding for long wings and sepia eyes is crossed with a male that is true-breeding for miniature wings and red eyes. The F1 are intercrossed to produce the F2. 1) What are the expected genotypic...
Balancers for chromosome 2 and 3 can be maintained together in the same stock, if the...
Balancers for chromosome 2 and 3 can be maintained together in the same stock, if the stock also carries dominant, visible alleles on the homologous non-balancer chromosomes. One such stock has a 2nd chromosome balancer (SM6, Cy) with the homolog carrying the dominant mutant allele of L (lobe eye), as well as a 3rd chromosome balancer (TM3, Sb) with a homolog carrying a dominant mutant allele of Ser (serrated wings) (a) Using appropriate nomenclature, write out the genotype of BOTH...
4. You cross individuals with the following Genotypes, AaBbDdEeFFGg & AaBbDDEeFfGg. Predict the proportion of offspring...
4. You cross individuals with the following Genotypes, AaBbDdEeFFGg & AaBbDDEeFfGg. Predict the proportion of offspring that would show the following Phenotype or Genotype? A) all Dominant Phenotypes, B) the Genotype: AabbDdEeFfgg, C) the Genotype: AABbDdEeFfgg, D) the Genotype: aaBbddEeffGg, & E) all Recessive Phenotypes. 5. You cross individuals with the following Genotypes, AaBbDdEeFFgg x AabbDDEeFfGg. If you produce 1000 offspring in this cross, predict the number of offspring that would have the following Phenotype or Genotype? A) all Dominant...
5. You started working in a Drospohila lab. You are studying two different autosomal traits, body...
5. You started working in a Drospohila lab. You are studying two different autosomal traits, body color and antennae length. Gray body (B) is completely dominant to black body (b) and long antennae length (A) is completely dominant to short antennae length (a). You cross true-breeding gray bodied, long antennae files to true-breeding black bodied, short antennae. The F1 progeny all have gray bodies and long antennae. a. You perform a testcross to the F1 progeny produced from the parent...
The solutions are given, but could you please help me by providing the steps to get...
The solutions are given, but could you please help me by
providing the steps to get to the answer. I would like to be able
to understand the way to get to the answers given. Thank you!
Please show as much work as possible so I can follow along. Thank
you!
3. You have been playing craps at Las Vegas and suspect that the dice are loaded. You decide to perform an experiment using a single die to determine how...
Drosophila genetics hw. Can someone help explain this
You are doing a genetics experiment with the fruit fly. In the "P" generation, you cross two true-breeding flies. The female parent is brown and wingless and the male parent is black with normal wings. All of the flies in the F1 generation are brown and have normal wings. Indicate the alleles associated with dominant phenotypes by uppercase letters and alleles associated with recessive phenotypes by lowercase letters. Assume the genes are...
Assortment of genes on same chromosome In the fruit fly Drosophila, there is a dominant gene for normal wings and its recessive allele for vestigial wings. At another gene locus. there is a dominant gene for red eyes and its recessive allele for purple eyes. A female that was heterozygous at both gene loci was mated with a male that is homozygous for both recessive alleles. Knowing this, complete the sentences with the correct terms. 94% crossing over independent assortment...
15. You are studying com plants. You were able to determine that the gene for kernel color (C-colored and no color) and kernel waxiness (W = waxy and not waxy) are on the same chromosome and are 30 CM apart. You are ultimately interested in determining the potential phenotypic ratio if crossing over occurs. You start by crossing a male who is homozygous dominant for both genes with a female who is homozygous recessive for both genes. The F1 heterozygotes...
6. In Cross 1, a yellow eyed, long wing fruit fly from a pure breeding strain is mated to a red eye, short wing fruit fly from a pure breeding strain. All of their offspring (F1) had red eyes and long wings. In Cross 2, one of the F1 offspring is mated to a fly with yellow eyes and short wings, and this cross gave the following F2 population: 194 flies with long wings and red eyes, 796 flies with...
Show your work for all problems. 1) A diploid species of hamsters has a total of 4 chromosomes (2n = 4). A gene for whisker length is encoded by an autosomal gene and the long whisker allele (H) is dominant to the short whisker allele (h). A second gene located on the X chromosome is responsible for nose color. The brown nose allele (B) is dominant to the pink nose allele (b). A. (8 pts) A male with short whiskers...
5. You started working in a Drospohila lab. You are studying two different autosomal traits, body color and antennae length. Gray body (B) is completely dominant to black body (b) and long antennae length (A) is completely dominant to short antennae length (a). You cross true-breeding gray bodied, long antennae files to true-breeding black bodied, short antennae. The F1 progeny all have gray bodies and long antennae. a. You perform a testcross to the F1 progeny produced from the parent...
The solutions are given, but could you please help me by
providing the steps to get to the answer. I would like to be able
to understand the way to get to the answers given. Thank you!
Please show as much work as possible so I can follow along. Thank
you!
3. You have been playing craps at Las Vegas and suspect that the dice are loaded. You decide to perform an experiment using a single die to determine how...
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