Question

Written answer/problems. Type the full answer to each part of the question Two autosomal genes, B...

Written answer/problems. Type the full answer to each part of the question

Two autosomal genes, B and C affect coat color of voles. The B gene has two alleles "B" and "b" and the C gene has two alleles "C" and "c." Here are the relationships between genotype and phenotype for these two genes:

Genotype Phenotype

   B-   C-      Black coat

   bb C-      Brown coat

   B-   cc      White coat

   bb cc      White coat

Answer both of the following:

Answer both of the following:

  1. Describe the relationship between genes B and C.
  2. In a cross between dihybrids for genes B and C, list all the possible phenotypes exhibited by the progeny, and, for each phenotype, calculate the expected proportion of the progeny that would exhibit that phenotype.
Science   Biology   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
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
Similar Questions
Drosophila has three linked autosomal genes that determine different traits. These genes are black (b), vestigial...
Drosophila has three linked autosomal genes that determine different traits. These genes are black (b), vestigial (vg), and singed(sn). Each of the three genes has two alleles: a dominant wild type allele, indicated by a "+" (plus) and a recessive mutant allele indicated by a "-" (minus). (These mutant alleles cause dark black spots, short "vestigial" wings, and bent "singed" hairs, respectively, when homozygous). A testcross is conducted between females that all have the same genotype and are triple heterozygotes...
The following is a cross between two individuals with the genotypes as indicated for four unlinked...
The following is a cross between two individuals with the genotypes as indicated for four unlinked autosomal genes. Aa Bb Cc dd X aa BB Cc Dd 1. For each gene, assume the capital letter indicates a dominant allele and the lower case letter (small) indicates a recessive allele. What proportion of the progeny would have the following overall phenotype: recessive phenotype for A, dominant phenotype for B, dominant phenotype for C, and recessive phenotype for D? (2 points) 2....
1. Wool color in sheep is under the control of an autosomal gene which segregates two...
1. Wool color in sheep is under the control of an autosomal gene which segregates two alleles: B,confers white wool, while the recessive allele b specifies black wool. A population of sheep under Hardy-Weinberg equilibrium was observed: Of 325 individuals, 194 have white wool and 131 have black wool. . What is the frequency of the B allele? b. How many of the 194 white sheep are expected to be heterozygous? 2. Cat coat color is controlled by an X-linked...
Assume that three loci, each with two alleles (A and a, B and b, C and...
Assume that three loci, each with two alleles (A and a, B and b, C and c), determine the difference in height between two homozygous strains of a plant. These genes are additive and equal in their effects on plant height. One strain (aa bb cc) is 10 cm in height. The other strain (AA BB CC) is 22 cm in height. The two strains are crossed, and the resulting F1 are interbred to produce F2 progeny. Give the phenotypes...
Please answer all the questions, they're related The autosomal recessive allele bw, for brown eyes in...
Please answer all the questions, they're related The autosomal recessive allele bw, for brown eyes in Drosophila interacts with the X-linked recessive allele, v, for vermilion eyes, since flies that are recessive for both genes have white eyes. Wild type flies have red eyes. What eye color phenotypes, in what proportions, would be expected in the progeny from a cross of a white-eyed female and a brown eyed male?  Choose the best answer. Select one: a. all females with brown eyes,...
Fill-ins. Type the one BEST word or short phrase into the answer box. In rats, the...
Fill-ins. Type the one BEST word or short phrase into the answer box. In rats, the pigment gene has two alleles: the P allele is dominant and confers no pigment in the hair (no color); the p allele is recessive and confers hair pigment (color). A second gene, black, also has two alleles: the B allele is dominant and confers black hair pigment and the b allele is recessive and confers tan hair pigment. The dominant P allele is epistatic...
In mice, coat colour and tail length are controlled by two linked genes: B = Black,...
In mice, coat colour and tail length are controlled by two linked genes: B = Black, b = brown; and T = long tailed, t = short tailed. A testcross was carried out using a heterozygous black, long tailed mouse, and the following progeny were observed: 7 Black, long-tailed 18 Black, short-tailed 20 Brown, long-tailed 5 Brown, short-tailed a)      What is the recombination frequency between the B and T genes? b)      What is the map distance between the B and...
Written answer/problems. Type the full answer to each part of the question. Define the terms "oncogene"...
Written answer/problems. Type the full answer to each part of the question. Define the terms "oncogene" and "tumor suppressor gene." In addition, give the general functions of the wild type alleles of each these genes and indicate whether the cancer-associated mutations of these genes are usually dominant or recessive. Also, give an example of each type of gene, and, for each example, describe why it is classified as this type of gene.
UESTION 4 Background info: in Labrador retrievers there is a gene, called black that participates in...
UESTION 4 Background info: in Labrador retrievers there is a gene, called black that participates in determining coat colour. This gene has two alleles, B and b. There are two other genes that participate in determining coat colour in Labs: the extension gene (with alleles E and e) and the agouti gene. All Labs are homozygous mutant for the agouti gene (so we can ignore this gene in our analyses and in our predictions, because it is not a variable)....
Recitation 5 short-answer assignment You are investigating two traits in fruit flies controlled by one gene...
Recitation 5 short-answer assignment You are investigating two traits in fruit flies controlled by one gene each. The b gene controls for body color (black or brown), while the r gene controls for body sculpture (rugose or smooth). After crossing rugose black flies with smooth brown flies, you obtain an F1 generation of 100% smooth black flies. What are the dominant alleles? (1 pt) What are the genotypes of the two parent flies to perform a dihybrid test cross? (1...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT