ZuoTi.Pro
Question

1. You have a male who displays the mutant phenotype (and thus carries the mutant allele)...

1. You have a male who displays the mutant phenotype (and thus carries the mutant allele) for the Ckesslj gene, which is located on the mitochondrial DNA. He mated with an unaffected female and has generated 3 offspring (2 females and 1 male).

  1. Draw out this pedigree, making sure you correctly draw/identify affected and unaffected individuals based on the information you have available to you.

  1. For your affected male at the beginning of the story, which of his parents is MOST likely to also express the mutant phenotype? Briefly explain your reasoning.
science   biology   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

The given scenario is an example of cytoplasmic inheritance.
Since the zygote's cytoplasm (including semi-autonomous cell organelles such as mitochondria and chloroplast) is predominantly derived from the mother/female, none of his progeny is affected.
His mother has to be affected for him to exhibit the phenotype.

See the image for the pedigree

0 0
Add a comment
Know the answer?
Add Answer to:
1. You have a male who displays the mutant phenotype (and thus carries the mutant allele)...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • Birds normally have dull red eyes. Some birds have white eyes due to a mutation in...

    Birds normally have dull red eyes. Some birds have white eyes due to a mutation in a gene on the X-chromosome. The white eyed phenotype is X-linked recessive. The sex chromosomes in birds are: females, normally XX; males, normally XY. Part 1) If a red-eyed female who is a carrier of the white eyed allele (normal or wild-type phenotype) mates with a white-eyed male (mutant phenotype), what is the likelihood that their male offspring will have red eyes? Parents: red-eyed...

  • Assume red plumage is encoded by an autosomal dominant allele (R). You crossed a male robin...

    Assume red plumage is encoded by an autosomal dominant allele (R). You crossed a male robin with a red breast and a homozygous dominant genotype with a female robin with a homozygous recessive genotype. You get both male and female offspring, but find that only the male offspring have a red breast. How could you explain this? Group of answer choices a The red plumage has variable expressivity in males b The plumage gene is not present in females c...

  • Fruit flies normally have dull red eyes. Some fruit flies have white eyes due to a...

    Fruit flies normally have dull red eyes. Some fruit flies have white eyes due to a mutation in a gene on the X-chromosome. The white eyed phenotype is X-linked recessive. The sex chromosomes in fruit flies are: females, normally XX; males, normally XY. If a red-eyed female who is a carrier of the white eyed allele (normal or wild-type phenotype) mates with a white-eyed male (mutant phenotype), what is the likelihood that their male offspring will have red eyes? Parents:...

  • 7. If offspring exhibit a 3:1 phenotypic are the parents' genotypes? f purple flower color in...

    7. If offspring exhibit a 3:1 phenotypic are the parents' genotypes? f purple flower color in a plant is controlled by the allele Rand white flower.com by the allele, which flower color is dominant? and white flower color is controlled 9. If a heterozygous purple flowered plant is crossed with a white flowered plant w phenotypes of their offspring? as 10. If the offspring of a cross are 50 purple-flowered plants and 14 white-flowered plants, what are the genotypes of...

  • Prior to gene therapy with the agile allele (A), a male rat was homozygous (aa) for...

    Prior to gene therapy with the agile allele (A), a male rat was homozygous (aa) for the autosomal recessive trait, awkwardness. Following the completion of the gene therapy, this same rat was test- crossed with a female rat of the appropriate genotype. What genotype should the female rat have in order for her to be used in a testcross? The offspring produced in the testcross were as follows: Assuming that the lest cross was performed correctly, what type of gene...

  • 9. Different genes are located on different kinds of genetic elements - autosomes, W chromosomes, the...

    9. Different genes are located on different kinds of genetic elements - autosomes, W chromosomes, the mitochondrial genome, etc. Different elements are inherited in different ways, so different offspring inherit different elements from different parents. For each case, answer "both parents', 'mother', 'father, or 'neither parents. For instance, sons inherit autosomal genes from both parents, but sons inherit W chromosome genes from neither parent (because males are ZZ, and don't have a W chromosome...) (1 point per answer) Sons inherit...

  • 1. What would be the phenotype for each of the following birds, including their gender? Color...

    1. What would be the phenotype for each of the following birds, including their gender? Color Gender Bb ZZi: - bb ZiZi: - BB ZZ: - bb ZW: - Bb ZiW: - 2. Using the phenotypes of the parents and of the progeny given in table 1, determine the genotype of each parent in the first nest. Male Female 3. Using the phenotypes of the parents and of the progeny given in table 2, determine the genotype of each parent...

  • Part B Determining genotypes in pedigrees of X-linked conditions The pedigree from Part A is shown...

    Part B Determining genotypes in pedigrees of X-linked conditions The pedigree from Part A is shown below. Fill in the most likely genotypes of the indicated individuals in the pedigree. Note that a dominant allele followed by an underscore (_) indicates that either the dominant or the recessive allele may be present at the second position. Drag one pink label (for condition A, autosomal recessive) to each pink target. Drag one blue label (for condition B, X-linked recessive) to each...

  • QUESTION 9 5 pe If the characteristic depicted in the pedigree below is rare and subject...

    QUESTION 9 5 pe If the characteristic depicted in the pedigree below is rare and subject to complete penetrance, it is likely to be X-linked recessive? 5 6 7 -OOO No, because individuals ll-2 and 11-4 are not affected No, because individuals 111-4 and III-6 are not affected Yes, because individuals III-4 and III-6 are not affected Yes, because only females are affected in generation 11 1. The gene for cystic fibrosis (normal dominant allele CF and abnormal recessive allele...

  • Look carefully at the pedigrees below and: 1) indicate whether the transmission appears autosomal or sex-linked...

    Look carefully at the pedigrees below and: 1) indicate whether the transmission appears autosomal or sex-linked 2) indicate whether the transmission appears dominant or recessive 3) provide at least two characteristics for each that support your conclusion. In general, the following characteristics suggest (but do not prove) specific inheritance patterns: Autosomal recessive inheritance: -affected individuals can be born to unaffected parents -if both parents are affected, all children are affected -observable effect of relatedness (consanguinity) -horizontal" inheritance: trait appears at...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT