Human Anatomy
6th Edition
ISBN: 9781260399820
Author: SALADIN, Kenneth
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 4.3, Problem 13BYGO
Summary Introduction
To analyze:
Difference between mutation and non-disjunction.
Introduction:
Mutation and non-disjunction result in abnormalities in chromosomes. The abnormalities in germ cells may lead to various kind of deformities in the fetus.
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The karyotypes shown here depict chromosomal abnormalities. Name the syndromes and if they are male or female?
identify two main themes underlying the phenomena of chromosomal changes?
Two phenotypically unaffected parents produce two children with familial Down syndrome. Regarding chromosome 14 and 21, what are the chromosomal composition of the parents?
Chapter 4 Solutions
Human Anatomy
Ch. 4.1 - Prob. 1BYGOCh. 4.1 - Prob. 2BYGOCh. 4.1 - Explain the functions of the sperm’s acrosome and...Ch. 4.1 - Describe two ways a fertilized egg prevents the...Ch. 4.2 - List the four primary tissue types of the adult...Ch. 4.2 - Oligohydramnios17 is an abnormally low volume of...Ch. 4.2 - Prob. 5BYGOCh. 4.2 - Prob. 6BYGOCh. 4.2 - Prob. 7BYGOCh. 4.2 - Prob. 8BYGO
Ch. 4.2 - Prob. 9BYGOCh. 4.2 - Prob. 10BYGOCh. 4.2 - Define and describe the neural tube, primitive...Ch. 4.3 - Prob. 1AWYKCh. 4.3 - Prob. 12BYGOCh. 4.3 - Prob. 13BYGOCh. 4.3 - Why is a baby more likely to be born with...Ch. 4 - Prob. 4.1.1AYLOCh. 4 - Prob. 4.1.2AYLOCh. 4 - Prob. 4.1.3AYLOCh. 4 - Prob. 4.1.4AYLOCh. 4 - Prob. 4.1.5AYLOCh. 4 - Prob. 4.1.6AYLOCh. 4 - Prob. 4.1.7AYLOCh. 4 - The duration of pregnancy and how the date of...Ch. 4 - Prob. 4.2.2AYLOCh. 4 - Prob. 4.2.3AYLOCh. 4 - Prob. 4.2.4AYLOCh. 4 - Prob. 4.2.5AYLOCh. 4 - Prob. 4.2.6AYLOCh. 4 - Prob. 4.2.7AYLOCh. 4 - Prob. 4.2.8AYLOCh. 4 - Prob. 4.2.9AYLOCh. 4 - The major changes that occur during the embryonic...Ch. 4 - Prob. 4.2.11AYLOCh. 4 - How the coelom forms, how it divides into the...Ch. 4 - The meaning of organogenesis, and some tissues and...Ch. 4 - Prob. 4.2.14AYLOCh. 4 - Prob. 4.2.15AYLOCh. 4 - Prob. 4.2.16AYLOCh. 4 - Prob. 4.2.17AYLOCh. 4 - Prob. 4.2.18AYLOCh. 4 - Prob. 4.2.19AYLOCh. 4 - The three modes in which the conceptus is...Ch. 4 - The development and mature structure of the...Ch. 4 - The relationship of the placenta to the umbilical...Ch. 4 - Prob. 4.2.23AYLOCh. 4 - The time at which the individual is considered to...Ch. 4 - Prob. 4.2.25AYLOCh. 4 - Prob. 4.3.1AYLOCh. 4 - Prob. 4.3.2AYLOCh. 4 - Prob. 4.3.3AYLOCh. 4 - Prob. 4.3.4AYLOCh. 4 - Prob. 4.3.5AYLOCh. 4 - Prob. 4.3.6AYLOCh. 4 - Prob. 4.3.7AYLOCh. 4 - When a conceptus arrives in the uterus, it is at...Ch. 4 - The entry of a sperm nucleus into an egg must be...Ch. 4 - Prob. 3TYRCh. 4 - Prob. 4TYRCh. 4 - Prob. 5TYRCh. 4 - Prob. 6TYRCh. 4 - Prob. 7TYRCh. 4 - Prob. 8TYRCh. 4 - Prob. 9TYRCh. 4 - For the first 8 weeks of gestation, a conceptus is...Ch. 4 - Viruses and chemicals that cause congenital...Ch. 4 - Prob. 12TYRCh. 4 - Prob. 13TYRCh. 4 - Prob. 14TYRCh. 4 - Prob. 15TYRCh. 4 - The enzymes with which a sperm penetrates an egg...Ch. 4 - Prob. 17TYRCh. 4 - Prob. 18TYRCh. 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. 1WWWTSCh. 4 - Prob. 2WWWTSCh. 4 - Prob. 3WWWTSCh. 4 - Prob. 4WWWTSCh. 4 - Prob. 5WWWTSCh. 4 - Prob. 6WWWTSCh. 4 - Prob. 7WWWTSCh. 4 - Prob. 8WWWTSCh. 4 - Prob. 9WWWTSCh. 4 - Briefly explain why each of the following...Ch. 4 - Only one sperm is needed to fertilize an egg, yet...Ch. 4 - Prob. 2TYCCh. 4 - Prob. 3TYCCh. 4 - Prob. 4TYCCh. 4 - Prob. 5TYC
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- Theodor Boveri predicted that malignancies would often be associated with chromosomal mutation. What lines of evidence substantiate this prediction?arrow_forwardFragile-X syndrome causes the most common form of inherited intellectual disability. What is the chromosomal abnormality associated with this disorder? What is the phenotype of this disorder?arrow_forwardPeople with Down syndrome have an extra copy of chromosome 21, for a total of 47 chromosomes. However, in a few cases of Down syndrome, 46 chromosomes are present. This total includes two normal-looking chromosomes 21, one normal chromosome 14, and a longer-than-normal chromosome 14. Interpret this observation. How can these individuals have 46 chromosomes?arrow_forward
- What is independent assortment? Does independent assortment occur during mitosis or during meiosis?arrow_forwardTwo phenotypically unaffected parents produce two children withfamilial Down syndrome. With regard to chromosomes 14 and 21,what are the chromosomal compositions of the parents?arrow_forwardWhy are people with balanced chromosomal translocations phenotypically normal? Do they suffer from reduced fertility? Why?arrow_forward
- 5) Cystic fibrosis is caused by a gene on chromosome 7 and results in the build-up of mucus in the lungs. Two parents who do not have cystic fibrosis have three children with the disease. What is the probability that their fourth child will also have cystic fibrosis? Explain.arrow_forwardInversions are said to “suppress crossing over.” Is this terminologytechnically correct? If not, restate the descriptionaccurately.arrow_forwardThe maternal-effect mutation bicoid (bcd) is recessive. Inthe absence of the bicoid protein product, embryogenesis isnot completed. Consider a cross between a female heterozygousfor the bicoid mutation (bcd+/ bcd-) and a homozygousmale(bcd-/ bcd-). How is it possible for a male homozygous for the mutationto exist?arrow_forward
- Discuss the following types of mutations, with reference to specific genetic disorders: i) Chromosomal deletion; ii) Reciprocal translocation; and iii) Haploinsufficiencyarrow_forwardExplain Loss of p53 function leads to genomic instability?arrow_forwardA company that offers PGD terms an embryo “normal and healthy” if it has 46 chromosomes. Why is this statement misleading? , Two famous male actors had twins using a surrogate mother who carried two embryos that hadbeen fertilized in vitro, one with one man’s sperm and the other with the other man’s sperm. In terms of genetics, how closely are the babies, a boy and a girl, related to each other if they have different fathers?arrow_forward
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