Why is the chromosome 21 trisomy the most common among live births, relative to trisomy of other autosomes? Group of answer choices It forms a Barr body It has the fewest genes It has no reapeats It is acrocentric

Why is the chromosome 21 trisomy the most common among live births, relative to trisomy of other autosomes? Group of answer choices It forms a Barr body It has the fewest genes It has no reapeats It is acrocentric

Name: Is it acrocentric Why is the chromosome 21 trisomy the most common amo
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Description: Is it acrocentric Why is the chromosome 21 trisomy the most common among live births, relative to trisomy ofother autosomes?Group of answer choicesIt forms a Barr bodyIt has the fewest genesIt has no reapeatsIt is acrocentric

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter14: Human Inheritance

Section: Chapter Questions

Problem 8SA

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Similar questions

The chromosome constitution number of this individual is 2=6. This drawing represents: a. mitotic metaphase. b. meiotic metaphase I. c. meiotic metaphase II. d. a gamete. e. sixnonhomologous chromosomes.
Meiosis Explains Mendels Results: Genes Are on Chromosomes Discuss the pertinent features of meiosis that provide a physical correlate to Mendels abstract genetic laws of random segregation and independent assortment.
In humans, the number of chromosomes per set equals 23. Eventhough the following conditions are lethal, what would be the totalnumber of chromosomes for an individual with each condition?A. Trisomy 22B. Monosomy 11C. Triploidy
Which of the following occurs at metaphase I of meiosis?a. independent assortmentb. crossing-overc. interkinesisd. formation of new alleles
How many Barr bodies would you expect to find in humans withthe following abnormal compositions of sex chromosomes?A. XXYB. XYYC. XXXD. X0 (a person with just a single X chromosome)
Which of the following events or processes can result in Patau syndrome, Turner Syndrome, or Klinefelter syndrome?a. nondisjunctionb. deletion of part of a chromosomec. crossing-overd. independent assortment
A woman with normal chromosomes mates with a man who also has normal chromosomes. Q.Suppose that, in the course of oogenesis, the woman’s sex chromosomes undergo nondisjunction in meiosis I; the man’s chromosomes separate normally. Give all possible combinations of sex chromosomes that this couple’s children might inherit and the number of Barr bodies that you would expect to see in each of the cells of each child.
An individual is known to have a genotype Aa Bb Dd. It is also known that gene A, gene B, and gene C all assort independently of each other. Draw the chromosomes present in a diploid cell. Label the genes.
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Suppose a woman has a recessive X-linked disease. Her husband doesnot have the disease. What is the chance that their second child has thedisease?a. 100% c. 25%b. 50% d. 0%
For question c1. I put 47, xxy I'm not sure and diagnosis would be trisomy 13 syndrome ?