There are two types of genes constituent of gene families, can you write their names or...
There are two types of genes constituent of gene families, can you write their names or if you can’t remember the names explain how they function (no need for an explanation if you write the names).
Homework Answers
Ans: A gene family is a set of several similar genes, formed by duplication of a single original gene, and generally with similar biochemical functions. Gene families are groups of related genes that share a common ancestor.
Members of gene families may be paralogs or orthologs.
Gene paralogs are genes with similar sequences from within the same species while gene orthologs are genes with similar sequences in different species.
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There are two types of genes constituent of gene families, can
you write their names or...
Genetics: A geneticist is studying two genes. Each gene can be either dominant or recessive. A...
Genetics: A geneticist is studying two genes. Each gene can be either dominant or recessive. A sample of 100 individuals is categorized as follows. Write your answer as a fraction or a decimal, rounded to four decimal places. Gene 2 Dominant Recessive Dominant 52 20 Gene 1 Recessive 19 9 Send data (a) What is the probability that in a randomly sampled individual, gene 1 is recessive? (b) What is the probability that a randomly sampled individual, gene 2 is...
It is possible that tagging genes can alter their function. If the gene is essential for...
It is possible that tagging genes can alter their function. If the gene is essential for are essential for correct meiosis, the tagged gene (with altered function) will be homozygous lethal. Since it is homozygous lethal, we will have to maintain it as a heterozygote. Assuming we start with a plate that is 100% heterozygous, what proportion of the worms would have the tagged genes after one generation? After two generations? After 3 generations? (Assume generations are synchronous and do...
3.) In chickens, two genes control feather color—the R gene and the Q gene. The Rallele...
3.) In chickens, two genes control feather color—the R gene and the Q gene. The Rallele causes chickens to be red and the r allele causes chickens to be white. R is dominant to r. Likewise, Q codes for red and q codes for white. Q is dominant to q. If a chicken has just one dominant allele of either gene, it will be red. How many red and white chickens would expect in a cross between two chickens that...
Give two examples about inducible/repressible gene expression. Explain the function of the genes, the mechanism of...
Give two examples about inducible/repressible gene expression. Explain the function of the genes, the mechanism of the regulation, and why it is important to have a way to control the level of gene expression.
Pigment of chicken feathers is regulated by two genes, the gene for feather pigment C, and...
Pigment of chicken feathers is regulated by two genes, the gene for feather pigment C, and a gene that inhibits pigment production, I. A mother chicken, who is homozygous recessive for gene c, and heterozygous for gene I, is crossed with a father chicken, who is heterozygous for the pigment gene, and heterozygous for gene I. • Inhibition is dominant to uninhibited, pigmented feathers are dominant to unpigmented feathers. • The inhibitor gene (I) will prevent expression of pigmented chicken...
Flower colour in a plant species is determined by two genes, gene B and gene P....
Flower colour in a plant species is determined by two genes, gene B and gene P. The gene products of these genes are enzymes that convert a white substrate to an intermediate blue substrate and then to the final purple product. Note: Enzyme P can only use the Blue substrate to make the purple product. White---GeneB----> Blue -----GeneP----> Purple If you test cross a dihybrid, what proportion of the progeny will be White Blue or purple?
In a species of carrots, two genes control a couple of desirable traits. The Y/y gene...
In a species of carrots, two genes control a couple of desirable traits. The Y/y gene controls carrot color, where the “Y” allele that makes yellow carrots is dominant over the “y” allele which makes plain-old orange carrots. Additionally, the L/l gene controls carrot length, where the “L” allele that produces long carrots is dominant over the “l” allele which produces short carrots. A. A carrot farmer performs a dihybrid cross with two true-breeding species of carrots. The first carrot...
1) What are the two main types of muscular dystrophy (clinical names) linked to mutations in...
1) What are the two main types of muscular dystrophy (clinical names) linked to mutations in the dystrophin gene and how do they differ? 2)Describe (name it and explain how a diseased person is different from non-diseased) the phenotypic test used to indicate Duchenne muscular dystrophy. 3)How does the histology of muscle differ between a patient with Duchenne muscular dystrophy and that of a normal person?
Pigment of chicken feathers is regulated by two genes, the gene for feather pigment C, and...
Pigment of chicken feathers is regulated by two genes, the gene for feather pigment C, and a gene that inhibits pigment production, I. A mother chicken, who is homozygous dominant for gene C, and heterozygous for gene I, is crossed with a father chicken, who is heterozygous for the pigment gene, and heterozygous for gene I. Inhibition is dominant to uninhibited, pigmented feathers are dominant to unpigmented feathers. The inhibitor gene (I) will prevent expression of pigmented chicken feathers. A)...
What do we call the phenomenon where the expression of one gene or two genes can...
What do we call the phenomenon where the expression of one gene or two genes can then affect the expression of another gene? Why is this concept so powerful in terms of genetic expression in multicellular organisms?
Genetics: A geneticist is studying two genes. Each gene can be either dominant or recessive. A sample of 100 individuals is categorized as follows. Write your answer as a fraction or a decimal, rounded to four decimal places. Gene 2 Dominant Recessive Dominant 52 20 Gene 1 Recessive 19 9 Send data (a) What is the probability that in a randomly sampled individual, gene 1 is recessive? (b) What is the probability that a randomly sampled individual, gene 2 is...
Pigment of chicken feathers is regulated by two genes, the gene for feather pigment C, and a gene that inhibits pigment production, I. A mother chicken, who is homozygous recessive for gene c, and heterozygous for gene I, is crossed with a father chicken, who is heterozygous for the pigment gene, and heterozygous for gene I. • Inhibition is dominant to uninhibited, pigmented feathers are dominant to unpigmented feathers. • The inhibitor gene (I) will prevent expression of pigmented chicken...
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