Which statement about genotype and phenotype is FALSE? Phenotype is determined solely by genotype. Genotype consists of hereditary information, whereas phenotype is the physical and biochemical expression of genotype, influenced by the environment. The same genotype may produce different phenotypes. The same phenotype may result from different genotypes.

Which statement about genotype and phenotype is FALSE? Phenotype is determined solely by genotype. Genotype consists of hereditary information, whereas phenotype is the physical and biochemical expression of genotype, influenced by the environment. The same genotype may produce different phenotypes. The same phenotype may result from different genotypes.

Name: Which statement about genotype and phenotype is FALSE?Phenotype is det
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Description: Which statement about genotype and phenotype is FALSE?Phenotype is determined solely by genotype.Genotype consists of hereditary information, whereas phenotype is the physical and biochemical expression of genotype, influenced by the environment.The

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter19: Introduction To Genetics

Section: Chapter Questions

Problem 1RQ: Define the difference between (a) gene and allele, (b) dominant allele and recessive allele, (c)...

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How are genotypes and phenotypes related? Both determine differences in genetic makeup. Genotypes determine the phenotypes expressed. Phenotypes determine the genotypes expressed. Both determine the alleles individuals receive.
In humans, a dimple in the chin is a dominant characteristic controlled by a single gene. A man who does not have a chin dimple has children with a woman with a chin dimple whose mother lacked the dimple. What proportion of their children would be expected to have a chin dimple? A man with a chin dimple and a woman who lacks the dimple produce a child who lacks a dimple. What is the man’s genotype? A man with a chin dimple and a non-dimpled woman produce eight children, all having the chin dimple. Can you be certain of the man’s genotype? Why or why not? What genotype is more likely, and why?
Which of the following defines polygenic inheritance? An inheritance pattern in which one allele is not fully dominant over another, so the heterozygous phenotype is an intermediate blend of the two homozygous phenotypes An inheritance pattern in which the full and separate phenotypic effects of two alleles are apparent in heterozygous individuals An inheritance pattern in which a single gene affects multiple traits A pattern of inheritance in which multiple genes affect one trait
A gene is composed of two alleles. An allele can be either dominant or recessive. Suppose that a husband and wife, who are both carriers of the sickle-cell anemia allele but do not have the disease, decide to have a child. Because both parents are carriers of the disease, each has one dominant normal-cell allele (S) and one recessive sickle-cell allele (s). Therefore, the genotype of each parent is Ss. Each parent contributes one allele to his or her offspring with each allele being equally likely. Complete parts a) through c) below. a) Genes are always written with the dominant gene first. Therefore, there are two instances the offspring could have genotype Ss (one if the mother contributes the dominant allele and the father contributes the non-dominant allele; and one if the father contributes the dominant allele and the mother contributes the non-dominant allele). List the other two possible genotypes of the offspring. (Use a comma to separate answers as needed.)
If a trait is X-linked, which of the following statements is true? Two recessive alleles are needed to express that trait. A female with one recessive allele will express that trait. A female can be a carrier, affected or unaffected. The trait is inherited from father to son. The gene is carried on the Y chromosome.
Color blindness is known to be a sex-linked trait, which is recessive. Normal color vision is dominant. A woman has normal vision, but her father was color blind. She marries a man with normal color vision. What are the expected genotypes and phenotypes of their offspring? - Male Y Female genotypic ratio: phenotypic ratio:
Define the difference between (a) gene and allele, (b) dominant allele and recessive allele, (c) homozygote and heterozygote, and (d) genotype and phenotype.
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The gene for eye color has several alleles. The allele for brown eyes is symbolized with B and the allele for blue eyes is symbolized with b. A father has the phenotype of blue eyes (recessive trait) and a mother has a phenotype of brown eyes (dominant trait.). If they have a child, what is the most likely genotype? Bb bb BB none of these
PKU disease is recessive. A man and a woman are both carriers for PKU disease. Determine the following: Genotype of the man: Genotype of the woman: Possible genotypes of children: Possible phenotypes of children: Probability of PKU disease in their children:
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Which of the following statements describes the multifactorial inheritance in genetics? Question options: One locus is associated with different traits. Several loci are associated with the trait. One locus is associated with variable phenotypes of a trait. Environment plays minimal or no role in the final phenotype. Phenotype is determined by different environmental factors.