Anatomy & Physiology: The Unity of Form and Function (Standalone Book)
7th Edition
ISBN: 9780073403717
Author: Kenneth S. Saladin Dr.
Publisher: McGraw-Hill Education
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Chapter 4, Problem 8TYR
Summary Introduction
Introduction:
Homologous chromosomes carry two forms of a gene in the same locus is known as alleles. Usually one dominant (T) and one recessive (t) alleles are present and they produce different forms of a phenotypic trait. Dominant alleles are mostly responsible for the production of phenotypic traits because they mask the effect of the recessive allele. If individuals carry two identical alleles (TT or tt) of gene are known as homozygous and different types of alleles (Tt) of a gene is known as heterozygous.
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In which of the following does one gene control the expression of another,
independently inherited gene?
a. Pleiotropy
b. Epistasis
c. Multifactorial inheritance
d. codominance
e. incomplete penetrance
An allele that is not phenotypicallyexpressed in the presence of an alternativeallele of the same gene is said to bea. codominant.b. lacking penetrance.c. heterozygous.d. recessive.e. subordinate
If a mouse has a dominant phenotype (P_), how would you determine if it is
homozygous (PP) or heterozygous (Pp)?
Select one:
O a.
O b.
O c.
O d.
O e.
cross it to a mouse with the dominant trait but a similarly unknown genotype.
cross it to a mouse with the recessive trait.
cross it to a homozygous dominant mouse.
it cannot be determined.
cross it to a heterozygous dominant mouse.
O
Chapter 4 Solutions
Anatomy & Physiology: The Unity of Form and Function (Standalone Book)
Ch. 4.1 - Prob. 1BYGOCh. 4.1 - Prob. 2BYGOCh. 4.1 - Prob. 3BYGOCh. 4.1 - Prob. 4BYGOCh. 4.1 - Prob. 1AYLOCh. 4.1 - Prob. 2AYLOCh. 4.1 - Prob. 3AYLOCh. 4.1 - Prob. 4AYLOCh. 4.1 - Prob. 5AYLOCh. 4.1 - Prob. 6AYLO
Ch. 4.2 - Prob. 5BYGOCh. 4.2 - Prob. 6BYGOCh. 4.2 - Prob. 7BYGOCh. 4.2 - Prob. 8BYGOCh. 4.2 - Prob. 9BYGOCh. 4.2 - Prob. 10BYGOCh. 4.2 - Prob. 1AYLOCh. 4.2 - Prob. 2AYLOCh. 4.2 - Prob. 3AYLOCh. 4.2 - Prob. 4AYLOCh. 4.2 - Prob. 5AYLOCh. 4.2 - Prob. 6AYLOCh. 4.2 - Prob. 7AYLOCh. 4.2 - Prob. 8AYLOCh. 4.2 - Prob. 9AYLOCh. 4.2 - Prob. 10AYLOCh. 4.3 - Prob. 11BYGOCh. 4.3 - Prob. 12BYGOCh. 4.3 - Prob. 13BYGOCh. 4.3 - Prob. 14BYGOCh. 4.3 - Prob. 15BYGOCh. 4.3 - Prob. 1AYLOCh. 4.3 - Prob. 2AYLOCh. 4.3 - Prob. 3AYLOCh. 4.3 - Prob. 4AYLOCh. 4.3 - Prob. 5AYLOCh. 4.3 - Prob. 6AYLOCh. 4.3 - Prob. 7AYLOCh. 4.4 - Prob. 16BYGOCh. 4.4 - Prob. 17BYGOCh. 4.4 - Prob. 18BYGOCh. 4.4 - Prob. 1AYLOCh. 4.4 - Prob. 2AYLOCh. 4.4 - Prob. 3AYLOCh. 4.4 - Prob. 4AYLOCh. 4.4 - Prob. 5AYLOCh. 4.4 - Prob. 6AYLOCh. 4.4 - Prob. 7AYLOCh. 4.4 - Prob. 8AYLOCh. 4.4 - Prob. 9AYLOCh. 4.4 - Prob. 10AYLOCh. 4.4 - Prob. 11AYLOCh. 4.4 - Prob. 12AYLOCh. 4.4 - Prob. 13AYLOCh. 4.4 - Prob. 14AYLOCh. 4 - Production of more than one phenotypic trait by a...Ch. 4 - When a ribosome reads a codon on mRNA, it must...Ch. 4 - Prob. 3TYRCh. 4 - Two genetically identical strands of a metaphase...Ch. 4 - Prob. 5TYRCh. 4 - Genetic transcription is performed by a....Ch. 4 - Prob. 7TYRCh. 4 - Prob. 8TYRCh. 4 - Semiconservative replication occurs during a....Ch. 4 - Mutagens sometimes cause no harm to cells for all...Ch. 4 - The cytoplasmic division at the end of mitosis is...Ch. 4 - Prob. 12TYRCh. 4 - Prob. 13TYRCh. 4 - Prob. 14TYRCh. 4 - Prob. 15TYRCh. 4 - Prob. 16TYRCh. 4 - Prob. 17TYRCh. 4 - The cytoplasmic granule of RNA and protein that...Ch. 4 - Prob. 19TYRCh. 4 - Prob. 20TYRCh. 4 - Prob. 1BYMVCh. 4 - Prob. 2BYMVCh. 4 - Prob. 3BYMVCh. 4 - Prob. 4BYMVCh. 4 - Prob. 5BYMVCh. 4 - Prob. 6BYMVCh. 4 - Prob. 7BYMVCh. 4 - Prob. 8BYMVCh. 4 - Prob. 9BYMVCh. 4 - Prob. 10BYMVCh. 4 - Prob. 1TFCh. 4 - Steroids, carbohydrates, and phospholipids are...Ch. 4 - Prob. 3TFCh. 4 - Prob. 4TFCh. 4 - Prob. 5TFCh. 4 - The law of complementary base pairing describes...Ch. 4 - Prob. 7TFCh. 4 - Prob. 8TFCh. 4 - Prob. 9TFCh. 4 - Prob. 10TFCh. 4 - Why world the supercoiled, condensed form of...Ch. 4 - Prob. 2TYCCh. 4 - Given the information in this chapter, present an...Ch. 4 - Prob. 4TYCCh. 4 - Prob. 5TYC
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- When many genes affect a single phenotype is it called; a. extranuclear inheritance b. pleiotropy c. dominance d. genotype by environment interaction e. epistasisarrow_forwardWhen the phenotype of the offspring is determined by endoparasites in the father it is… a. epistasis b. due to genes located in the mitochondria. c. a maternal effect d. non-nuclear inheritance e. a non-additive genetic effectarrow_forwardFruit flies are very useful model organisms that have been used to study genetics. One mutant recessive trait in fruit flies is called "eyeless" because it causes flies to have no eyes. Cross an eyeless fly with a homozygous normal fly. a. Draw the Punnett square. b. What is the genotyoe ratio of the offspring? c. What is the phenotype ratio of the offspring? d. What genetic problem is this? (monohybrid, dihybrid or multiple allele)arrow_forward
- In ABO blood group inheritance, what is the relationship between the alleles IA and IB? a. They are pleiotropic to each other. (pleiotropic means one gene also influences two or more unrelated phenotypes) b. They are incompletely dominant to each other. c. They are codominant to each other. d. B alleles are dominant; A alleles are recessive. e. A alleles are dominant; B alleles are recessive.arrow_forwardThe chart below is showing 4 generations of a family that is affected by a hereditary disease. a. Is the disorder being tracked dominant or recessive? How do you know? b. There is only one possible genotype for person C. True or False? c. What are the possible genotypes for person A? d. What are the possible genotypes for person B?, e. If two people with the same genotypes as person C's spouse and person A's spouse had a child, what is the probability that the child will be affected by this genetic disorder? (draw a Punnett square using the correct genotypes to help you). % chance offspring will be affected % chance offspring will not be affectedarrow_forwardWhich of the following is NOT true of Y-linked traits? Select one: a. They are always expressed. b. They are extremely uncommon in females. c. They are passed from father to son. d. They carry both dominant and recessive alleles of a trait.arrow_forward
- A type of baldness is sex –limited such that the allele that causes it is dominant in men and recessive in women. Thus baldness is much more common in men than women even though the locus is on an autosome. How is the pattern of inheritance in this example different from X-linked inheritance of a recessive allele? Group of answer choices A. the trait can be passed from fathers to sons B. the trait can be passed from fathers to daughters C. the trait can be passed from mothers to sons D. the trait can be passed from mothers to daughtersarrow_forwardTay–Sachs disease is caused by recessive alleles on anautosome. In which case(s) could two parents with anormal phenotype have a child with Tay–Sachs?a. Both parents are homozygous for a Tay–Sachs allele.b. Both parents are heterozygous for a Tay–Sachsallele.c. One parent is homozygous for a Tay–Sachs allele,and the other is heterozygous.arrow_forwardMany inherited disorders in humans are controlled by a single allele with two genes Select one: a. False b. Truearrow_forward
- A heterozygous individual is crossed with a homozygous recessive individual. a. Draw a Punnett square to represent this cross. b. What is the probability that an offspring will have a homozygous genotype? c. What is the probability that an offspring will have a dominant phenotype? d. What is the probability that three offspring will be produced that all carry the recessive allele but do not express the recessive phenotype?arrow_forwardMatch the pattern of inheritance to the appropriate term. A. Heterozygotes with different alleles of the DTL1 gene survive better than homozygotes B. The disease is usually passed from a mother to all children C. Pure-breeding pumpkin plants grown on sandy soil have bigger seeds than plants of the same pure-breeding lineage grown on peaty soil. D. A cross between a true-breeding plant with serrated leaf edges and a true- breeding plant with smooth leaf edges produces an F1 generation with 88% plants with serrated leaves. E. A cross between two heterozygotes, DdFf, produces offspring in three phenotypic groups; Long wings in offspring with genotype D_F_, short wings in offspring with D_ff, and no wings in offspring with the genotypes ddF_ and ddff. F. Individuals homozygous for a mutation in SME have a heightened sense of smell and large earlobes. G. Grey chickens bred together have offspring that are black, grey and white in a 1:2:1 ratio H.Alleles at locus S…arrow_forwardThe B allele confers black coat color and the b allele brown coat color in Labrador dogs. When another gene, E, is inherited, the coat is golden no matter what the B phenotype is. A dog of genotype ee expresses the black phenotype. What unusual phenomenon is at work in this disorder?arrow_forward
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