Which of the following is not a characteristic of the abo...

Name: which of the following is not a characteristic of the abo gene locus group of answer choices multiple alleles dominancerecessiveness codominance epistasis 48205
Uploaded: 2023-08-20T18:03:16-08:00
Duration: 5 min 48 s
Channel: Sri K
Description: which of the following is not a characteristic of the abo gene locus group of answer choices multiple alleles dominancerecessiveness codominance epistasis 48205

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Variations of homologous genes that result in differences in structure and function are: A) alleles B) loci C) autosomes D) dominant An example genotype is: A) attached earlobes - fingers B) brown hair color C) blood type AB When both alleles of a particular gene are identical, the person is said to be: A) identical in phenotypic B) heterozygous C) homozygous D) genotypic The Punnett square is a useful tool for: A) determining the rate of segregation of alleles B) calculating how many mutations occur during DNA replication C) determining which genes traits assort independently during gamete formation D) predicting the ratios of possible genotypes for a particular combination of alleles E) predicting the level of crossing over that will occur during meiosis Which are the genotype(s) of an individual with the dominant phenotype? A) AA and bb B) Aa and bb C) aa and bb D) AA and Bb E) aa and BB Some dogs bark while trailing, others are silent. The barking trait is due to a dominant gene. Erect ears are dominant over drooping ears. What kind of pups would be expected from a homozygous dominant erect-eared barker mated to a drooped-eared, silent trailer? The expected phenotypic ratio in the generation would be: A) 1.2.1 B) 9.3.3.1 C) 100 percent erect ears and barking D) none of these A recessive gene on the human chromosome will: A) be expressed equally by males and females B) be more likely to be expressed by females C) be more likely to be expressed heterozygous D) be more likely to be expressed by males E) will never be expressed by females A gamete from a human male contains: A) 23 autosomes and an X chromosome B) 23 autosomes and either an X or Y chromosome C) 22 autosomes and either an X or Y chromosome D) 23 autosomes and one chromosome Which are the genotype(s) of an individual with the recessive phenotype? A) AAA and Bb B) Aa and Bb C) aa and bb D) AA and Bb E) Aa and BB Which of the following human traits is an example of codominance? A) sickle-cell anemia B) variation in eye color C) human height D) AB blood type Which of the following is true regarding an individual who has inherited one sickle-cell gene and one normal gene for hemoglobin? A) will develop sickle-cell anemia B) will produce only abnormal hemoglobin C) more likely to resist malaria than an individual with two normal genes for hemoglobin D) will most likely die before the age of 10 from complications associated with abnormal white blood cells E) has the homozygous recessive genotype for this trait The trend towards increased height and weight due to improved nutrition in certain human populations is an example of the effect of: A) gene linkage B) the environment C) codominance D) polygenic inheritance E) genetic disorders The offspring resulting from a cross between a nearly white horse (cc) and a chestnut-colored horse (CC) are of intermediate color (between white and chestnut). Which of the following patterns of inheritance best explains this? A) complete dominance B) codominance C) sex-linked D) polygenic inheritance E) incomplete dominance

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In the ABO blood type system, A) A, B, and O are codominant. B) A, B, and O are incompletely dominant. C) A and B are codominant and O is recessive to both. D) O is incompletely dominant to A and B. E) A is dominant to B, and B is dominant to O. 2. Epistasis refers to A) the linear order of genes on a chromosome. B) the equal interaction of two genes so that a new phenotype is produced. C) the expression of one gene masking the expression of another. D) a group of genes that are close together. E) the expression of two genes in the same individual. 3. The blue sclera allele has 80 percent penetrance for producing blue sclera, 50 percent penetrance for fragile bones, and 40 percent penetrance for deafness. If these probabilities of penetrance are independent, _______ percent of individuals with the blue sclera allele will have deafness, blue sclera, and fragile bones. (hint: use the 'and' rule) A) 60 B) 16 C) 40 D) 90 E) None of the above 4. Genes located on mitochondrial DNA are usually inherited in what fashion? A) Evenly from both the mother and father B) Randomly C) From the father D) From the mother E) By independent assortment 5. In the garden peas used in Mendel's experiments, the spherical seed character (SS) is completely dominant over the wrinkled seed character (ss). If the characters for height were incompletely dominant, such that TT was tall, Tt was intermediate, and tt was short, what would have resulted from crossing a spherical-seeded, short (SStt) plant to a wrinkled-seeded, tall (ssTT) plant? A) One-half would be smooth-seeded and intermediate height; one-half would be smooth-seeded and tall. B) All the progeny would be smooth-seeded and intermediate in height. C) All the progeny would be smooth-seeded and tall. D) All the progeny would be smooth-seeded and short. E) This cannot be answered without more information.

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Select all of the following types of inheritance that are related to the ABO blood groups in humans. incomplete dominance multiple alleles codominance epistasis polygenic inheritance

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Transcript

00:01 According to the question a homologous gene let us know about it.

00:10 So it is a gene inherited in two species from a common ancestor then it can be similar in sequence.

00:50 So, right answer for question number 1 will be option number a which says alleles for question number 2.

01:03 The right answer is option number c which says brown hair color.

01:12 Then question number 3.

01:19 The right answer is option number d which says homozygous.

01:30 The next question is question number 4.

01:33 The right answer is option number d which says predicting the ratios of possible genotypes of a particular combination of alleles.

02:12 Now question number 5.

02:16 The right answer is option number d which says a and b and b.

02:29 According to question number 6 the right answer is option number b which says 9 is to 3 is to 3 is to 1.

02:41 Then for question number 7...

Question

Which of the following is not a characteristic of the ABO gene locus? Group of answer choices multiple alleles dominance/recessiveness codominance epistasis

Question

Which of the following is not a characteristic of the ABO gene locus? Group of answer choices multiple alleles dominance/recessiveness codominance epistasis

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