when two traits controlled by one locus are always inherited together?
when two traits controlled by one locus are always inherited together?
Homework Answers
Two traits controlled by one locus are not always inherited together because genes whose alleles are inherited independently from one generation to the next generation. If two loci are close on a chromosome, their alleles tend to be inherited together. If they are not highly close, then alleles will be separated when gametes are formed by ``crossing overs'' in the process of meiosis. Result of this known as recombination because, while the genes on the chromosome are the same, but specific alleles are not.
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when two traits controlled by one locus are always inherited
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In general, Mendelian traits: Group of answer choices are always recessive. are governed by one genetic...
In general, Mendelian traits: Group of answer choices are always recessive. are governed by one genetic locus. are governed by more than one genetic locus. occur only in some people. are always dominant.
Question 9 3 pts Although the MHC locus tends to be inherited as a unit called...
Question 9 3 pts Although the MHC locus tends to be inherited as a unit called a haplotype, in some cases a child receives a combination of two haplotypes from one of their parents. Which of the following is likely responsible for this? Crossing over outside of the MHC locus during meiosis Recombination during DNA damage repair within the MHC locus in the parent's somatic cells Inheritance of different haplotypes from each parent Crossing over within the MHC locus during...
The seven traits that Mendel studied in pea plants The seven traits that Mendel studied in...
The seven traits that Mendel studied in pea plants The seven traits that Mendel studied in pea plants have a relatively simple pattern of inheritance. Since the time of Mendel, however, scientists have discovered many traits that have more complex patterns of inheritance. Which of the following elements from Mendel's model of inheritance turned out to be oversimplifications that aren't true for many traits? Check all statements that are oversimplifications. Check All That Apply Parents do not transmit physiological traits...
You are investigating two traits in fruit flies controlled by one autosomal dominant gene each. The...
You are investigating two traits in fruit flies controlled by one autosomal dominant gene each. The B gene controls for body color (B=black or b=brown), while the r gene controls for body sculpture (R=rugose or r=smooth). After crossing heterozygous rugose black flies with homozygous smooth brown flies, you obtain an F1 generation of 100% rugose black flies. 1. What are the dominant alleles? 2. What are the genotypes of the two parent flies to perform a dihybrid cross? 3. Of...
3 Chapter 7-Multifactorial Traits Height in a particular Martian biped rodent, the zwoof, is controlled by...
3 Chapter 7-Multifactorial Traits Height in a particular Martian biped rodent, the zwoof, is controlled by two different loci on two differernt chromosomes. The trait obeys a "simple additive loci model" The recessive alleles a and b each contribute 2 inches of height. The dominant alleles . A and B each contribute 6 inches of height .Therefore, a zwoof that is homozgous tall (AABB) at each locus is 24 inches tall. A zwoof that is homozygous dwarf (aabb) is 8...
3. Consider two traits for a hypothetical animal fur color and ear length. Each trait is...
3. Consider two traits for a hypothetical animal fur color and ear length. Each trait is controlled by one gene with two alleles. Black fur is dominant to gray fur and long ears are dominant to short. The genes for the two traits are located on different chromosomes. Note: In the following problems, you need to take both traits into account simultaneously a. You cross a true breeding black long-eared male with a true-breeding gray short-eared female. What is the...
Please don't copy another solution. Make it original! Two human traits controlled by a single gene...
Please don't copy another solution. Make it
original!
Two human traits controlled by a single gene are the
ability to roll one’s tongue and whether one’s ear lobes are free
or attached to the neck. Genetic theory says that people will have
neither one, one, or both of these traits in the ratio 1:3:3:9
(1/16—attached, noncurling; 3/16—attached, curling; 3/16—free,
noncurling; 9/16— free, curling). A biology class of 122 students
collected these data:
Are these data consistent with the genetic
theory?...
Description Theory Each reproductive cell contains a complete set of genetic information. All traits are inherited...
Description Theory Each reproductive cell contains a complete set of genetic information. All traits are inherited from one parent. Genetic information may be altered by the use of a characteristic. Cells of different tissues contain different genetic information. Answer Bank inheritance of acquired characteristics pangenesis preformationism germ-plasm theory
The coat color in mink is controlled by two codominant alleles at a single locus. Red...
The coat color in mink is controlled by two codominant alleles at a single locus. Red coat color is produced by the genotype R Rı, silver coat by the genotype R1 R2, and platinum color by R2R2. White spotting of the coat is a recessive trait found with the genotype ss. Solid coat color is found with the S-genotype. What is the expected phenotype distribution for the cross SsRį R2 X ssR2R2? Express your answer as four numbers separated by...
1. A monogenic trait (hair color) is controlled by the B locus with dominant B (brown)...
1. A monogenic trait (hair color) is controlled by the B locus with dominant B (brown) and recessive b (red) alleles. Another monogenic trait (hair texture) is controlled by the C locus with dominant C (curly hair) and recessive c (straight hair). a) What are the possible classes of genotypes with these two loci? b) What are the possible genotypes with these two loci? c) What are the possible genotype(s) of a person with brown hair? d) What are the...
Question 9 3 pts Although the MHC locus tends to be inherited as a unit called a haplotype, in some cases a child receives a combination of two haplotypes from one of their parents. Which of the following is likely responsible for this? Crossing over outside of the MHC locus during meiosis Recombination during DNA damage repair within the MHC locus in the parent's somatic cells Inheritance of different haplotypes from each parent Crossing over within the MHC locus during...
The seven traits that Mendel studied in pea plants The seven traits that Mendel studied in pea plants have a relatively simple pattern of inheritance. Since the time of Mendel, however, scientists have discovered many traits that have more complex patterns of inheritance. Which of the following elements from Mendel's model of inheritance turned out to be oversimplifications that aren't true for many traits? Check all statements that are oversimplifications. Check All That Apply Parents do not transmit physiological traits...
3 Chapter 7-Multifactorial Traits Height in a particular Martian biped rodent, the zwoof, is controlled by two different loci on two differernt chromosomes. The trait obeys a "simple additive loci model" The recessive alleles a and b each contribute 2 inches of height. The dominant alleles . A and B each contribute 6 inches of height .Therefore, a zwoof that is homozgous tall (AABB) at each locus is 24 inches tall. A zwoof that is homozygous dwarf (aabb) is 8...
3. Consider two traits for a hypothetical animal fur color and ear length. Each trait is controlled by one gene with two alleles. Black fur is dominant to gray fur and long ears are dominant to short. The genes for the two traits are located on different chromosomes. Note: In the following problems, you need to take both traits into account simultaneously a. You cross a true breeding black long-eared male with a true-breeding gray short-eared female. What is the...
Please don't copy another solution. Make it
original!
Two human traits controlled by a single gene are the
ability to roll one’s tongue and whether one’s ear lobes are free
or attached to the neck. Genetic theory says that people will have
neither one, one, or both of these traits in the ratio 1:3:3:9
(1/16—attached, noncurling; 3/16—attached, curling; 3/16—free,
noncurling; 9/16— free, curling). A biology class of 122 students
collected these data:
Are these data consistent with the genetic
theory?...
Description Theory Each reproductive cell contains a complete set of genetic information. All traits are inherited from one parent. Genetic information may be altered by the use of a characteristic. Cells of different tissues contain different genetic information. Answer Bank inheritance of acquired characteristics pangenesis preformationism germ-plasm theory
The coat color in mink is controlled by two codominant alleles at a single locus. Red coat color is produced by the genotype R Rı, silver coat by the genotype R1 R2, and platinum color by R2R2. White spotting of the coat is a recessive trait found with the genotype ss. Solid coat color is found with the S-genotype. What is the expected phenotype distribution for the cross SsRį R2 X ssR2R2? Express your answer as four numbers separated by...
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