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In rabbits short hair S is dominant over long hair s. In the cross Ss x Ss what is the probability of three offspring all having long hair
Hello Sir,

I have a test regarding some questions as below.
It is very, very important for me, I hope I get some answer from a expert.

Question 1: " Explain the main type of interaction between alleles of different genes"
Question 2: "Explain the main type of interaction between alleles of one and the same gene"

Thanks in advance.

Best regards
In garden peas a pure line that is tall with purple flowers is crossed to another pure line that is short with white flowers. The F1s are all short and white. You cross the F1s with each other and get 900 short white, 315 short purple, 307 tall white, and 99 tall purple. You allow 90 of the short purple F2 plants to self-fertilize and then select a single seed from each one. What phenotypes would you expect to see in the plants reared from these seeds and in what numbers? Why?
A human female "carrier" who is heterozygous for the recessive, sex-linked trait red color blindness, marries a normal male. a. What proportion of their female progeny will show the trait? b. What proportion of their male progeny will show the trait? c. If one of their daughters marries a normal male, what is the probability that the first son of this marriage will show the trait? d. If one of their daughters marries a normal male, what is the probability that the first child of this marriage will show the trait?
In some types of wheat, color is caused by two sets of genes. Both dominant genes A and E are needed for red color. White results from both recessive genes in the homozygous state (aaee). Other combinations will produce brown wheat grains. A strain with the genotype Aaee is crossed with a strain having the genotype AaEe. What will be the frequency of red offspring?
How does gene recombination explain the various phenotype observed in F2 generation of dihybrid cross.
A disease causing allele is recessive. Assume that the male parent doesn’t have the disease and the female parent has the disease. What percentage of sons will have the disease?
Haemophilia is an X-linked disorder that occurs at a frequency of approximately 1 in 10000.

A normal male and a female who is heterozygous for the haemophilia mutation are expecting a child. What is the probability of this couple having a child with haemophilia? (Assume that all carrier females are asymptomatic.)
Is the Jacob and monod operon concept applicable to only prokaryotes or to also some of the eukaryotes ?
Explain how chromosomes and genes are related
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