R d g 4. (3) r D R and D are linked; the distance between R and D is 10 cM. G is unlinked. Now, you test cross this individual. a) (1) What % of the progeny of the test cross will be dominant for both R and D (ignore G)? b) Now, using all 3 genes, figure out the % of each gamete and they should all add up to 100%. I did one for you (see below). Make sure you know how to do a problem like this. These gametes are: RDG dg Rdg rDG RdG 22.5% rDg RDa

R d g 4. (3) r D R and D are linked; the distance between R and D is 10 cM. G is unlinked. Now, you test cross this individual. a) (1) What % of the progeny of the test cross will be dominant for both R and D (ignore G)? b) Now, using all 3 genes, figure out the % of each gamete and they should all add up to 100%. I did one for you (see below). Make sure you know how to do a problem like this. These gametes are: RDG dg Rdg rDG RdG 22.5% rDg RDa

Name: Rd4. (3)DR and D are linked; the distance between R and D is 10 cM. G
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Description: Rd4. (3)DR and D are linked; the distance between R and D is 10 cM. G is unlinked.Now, you test cross this individual.a) (1) What % of the progeny of the test cross will be dominant for both R and D (ignore G)?b) Now, using all 3 genes, figure out t

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter14: Chromosomes And Human Inheritance

Section: Chapter Questions

Problem 3GP: Human females have two X chromosomes (XX); males have one X and one Y chromosome (XY). a. With...

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1.What is the genotype of the F1 generation of the corn monohybrid cross described above? 2.What is the phenotype of the F1 generation of the corn monohybrid cross described above? 3.What are the possible maternal and paternal genotypes of the F1 gametes of the corn monohybrid cross described above?
Recall that red color (R) in four-o’clock flowers is incompletely dominant over white (R ′). In the following crosses, give the genotypes of the gametes produced by each parent and the flower color of the offspring: R/R ′×R/R ′; R′/R ′×R/R ′; R/R×R/R ′; R/R×R′/R ′
1.What are the possible genotypes of the parent gametes of the corn dihybrid cross described above? 2.What is the genotype of the F1 generation of the corn dihybrid cross described above? 3.What is the phenotype of the F1 generation of the corn dihybrid cross described above? 4.What are the possible maternal and paternal genotypes of the F1 gametes of the corn dihybrid cross described above?
11. Shown below are the offspring of the testcross qr/q +r+ X q r/q r. Which groups are in the recombinant class? q+r and qr+ q+r+ and qr+ qr and qr+ q+r+ and qr
Why is it more efficient to perform a test cross with a homozygous recessive donor than a homozygous dominant donor? How could the same information still he found with a homozygous dominant donor?
Go back to Problem 1, and assume you now study a third gene having alleles C and c. For each genotype listed, what type(s) of gametes can be produced? a. AABBCC b. AaBBcc c. AaBBCc d. AaBbCc
Human females have two X chromosomes (XX); males have one X and one Y chromosome (XY). a. With respect to X-linked alleles, how many different types of gametes can a male produce? b. If a female is homozygous for an X-linked allele, how many types of gametes can she produce with respect to that allele? c. If a female is heterozygous for an X-linked allele, how many types of gametes can she produce with respect to that allele?
The gene for flower position in pea plants exists as axial or terminal alleles. Given that axial is dominant to terminal, list all of the possible F1 and F2 genotypes and phenotypes from a cross involving parents that are homozygous for each trait. Express genotypes with conventional genetic abbreviations.
How would you perform a reciprocal cross for the characteristic of stem height in the garden pea?
In cats, the genotype AA produces tabby fur color; Aa is also a tabby, and aa is black. Another gene at a different locus is epistatic to the gene for fur color. When present in its dominant W form (WW or Ww), this gene blocks the formation of fur color and all the offspring are white; ww individuals develop normal fur color. What fur colors, and in what proportions, would you expect from the cross AaWw Aa Ww?
If, instead, the four phenotypes in question 1 occur in approximately equal numbers, what are the genotypes of the parents? What is this kind of cross called?
3) A. How are the following proteins involved in cell division: condensing, cohesin, kinetochore complex, tubulin? B. Why does phenotype not always reveal genotype? C. How can Mendel's postulates of segregation and independent assortment be explained by meiosis? D. Explain the genotypic and phenotypic ratios predicted when performing a monohybrid and a dihybrid cross of heterozygotes? E. How can you use the product rule and sum rule to calculate the probability of a particular genotype resulting from crossing parents of specific genotypes?