CAMPBELL BIOLOGY IN FOCUS-W/MASTR.BIO.
3rd Edition
ISBN: 9780134875040
Author: Urry
Publisher: PEARSON
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Chapter 10.2, Problem 2CC
Summary Introduction
To determine:
The number ofpairs of chromosomes and set present in the karyotype as refer to Figure 10.3 “Research method”, in the textbook.
Introduction:
Karyotyping is a technique which is used to study the chromosomal aberration. In this study the detector analyze the structure of the chromosome.
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In the karyotype shown here, identify the sex chromosomes. Is this individual a male or a female?
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Chapter 10 Solutions
CAMPBELL BIOLOGY IN FOCUS-W/MASTR.BIO.
Ch. 10.1 - MAKE CONNECTIONS Using what you know of gene...Ch. 10.1 - How does an asexually reproducing eukaryotic...Ch. 10.1 - WHAT IF? A horticulturalist breeds orchids, trying...Ch. 10.2 - Prob. 1CCCh. 10.2 - Prob. 2CCCh. 10.2 - Prob. 3CCCh. 10.2 - WHAT IF? A certain eukaryote lives as a...Ch. 10.3 - Prob. 1CCCh. 10.3 - WHAT IF? After the synaptonemal complex...Ch. 10.4 - Prob. 1CC
Ch. 10.4 - Prob. 2CCCh. 10 - A human cell containing 22 autosomes and a Y...Ch. 10 - Homologous chromosomes move toward opposite poles...Ch. 10 - If the DNA content of a diploid cell in the G1...Ch. 10 - Prob. 4TYUCh. 10 - Prob. 5TYUCh. 10 - Prob. 6TYUCh. 10 - Prob. 7TYUCh. 10 - Prob. 8TYUCh. 10 - Prob. 9TYUCh. 10 - Prob. 10TYU
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- are sex chromosomes the smallest chromosome in a karyogram? if not, then why are they last?arrow_forward11:34 Make the following Punnett square. RrYYTT x rrYytt 8*8 or 64 squares. Use a blank sheet as needed. What is the phenotypic ratio of the offspring? Your gametes: 1-3-5; 1-3-6; 1-4-5; 1-4-6; 2-3-5; 2-3-6; 2-4-5; 2-4-6;arrow_forwardA diploid species has 3 pairs of chromosomes in its somatic cells. In males, the first pair is large submetacentric[1]; the second is medium acrocentric[2], and the third is small telocentric[3]. In females, the first two pairs are like those of the males while the third is large metacentric[4][5], with satellite4 Illustrate the karyograms (drawing/picture of the chromosome) of the following: A triploid cell in females tetrasomic cell in males tetraploid cell in females [1] submetacentric --centrosome is just above the middle of the chromosome [2] acrocentric --centrosome is much higher location than submetacentric so that the “p” arm of the chromosome is much shorter than the q arm [3] telocentric --the centromere is at the end of the chromosome [4] metacentric --centrosome is in the middle of the chromosome; thus the “p-arm” and the “q-arm” or both arms of the chromosome are equal in length [5] satellite-a constriction in an arm of a chromosome, aside…arrow_forward
- How do you determine the amount of DNA picograms for each stage in Meiosis? (for a cell 2n=4 for reference)arrow_forwardThe radish (Raphanus sativus) has a diploid number (2n) of 18. The cabbage (Brassica oleracia) also has a diploid number (2n) of 18. Why is it that if you cross these two species to produce a hybrid with a total of 18 chromosomes in its somatic cells it is sterile, but if you form an allotetraploid (also known as amphidiploid) from these two species it is fertile?arrow_forwardIn a cross between a white-eyed female (ww) and a red-eyed male (w+Y), nearly all the progeny were either red-eyed females (w+w) or white-eyed males (wY). However, about 1 in every 2000 F1 flies had an "exceptional phenotype" and was either a white-eyed female or red-eyed male. How did Bridges explain this unexpected result? A) Crossing over B) Incomplete cytokinesis C) Incorrect synapsis D) Nondisjunction E) Pseudoautosomal regionarrow_forward
- Why is chromosome 21 the smallest and not chromosome 22? considering that a karyogram is arranged from largest to smallestarrow_forwardL, R, P and D are four genes located on the same chromosome in a diploid organism. Map distances between different pairs of genes were determined and the following results obtained. Based on these data, what is the order of the genes on the chromosome? D-R: 35 CM P-D: 5 CM L-R: 10 CM D-P: 30 CM D-L 25 CM P-R: 40 CM Note that only one orientation of the order is given as an answer choice. For example: ABCD has the same order as DCBA, but only ABCD would be listed as a possible answer. So be sure to check both orientations when comparing your gene order to the possible answer choices. D-L-P-R P-D-L-R P-R-D-L L-P-R-D R-L-D-Parrow_forwardIn the mapping example in Fig 2, the dominant alleles were on one chromosome and the recessive alleles were on the homolog. Let’s consider a twofactor cross in which the dominant allele for one gene is on onechromosome, but the dominant allele for a second gene is on thehomolog. A cross is made between AAbb and aaBB parents. The F1offspring are AaBb. The F1 heterozygotes are then testcrossed to aabbindividuals. Which F2 offspring are recombinant?arrow_forward
- In the mapping example in Fig 2, the dominant alleles were on one chromosome and the recessive alleles were on the homolog. Let’s consider a twofactor cross in which the dominant allele for one gene is on onechromosome, but the dominant allele for a second gene is on thehomolog. A cross is made between AAbb and aaBB parents. The F1offspring are AaBb. The F1 heterozygotes are then testcrossed to aabbindividuals. What topic in genetics does this question address?arrow_forwardYou cross a true-breeding yellow-bodied, smooth-winged female fly with a true-breeding red-bodied, crinkle-winged male. The red body phenotype is dominant to the yellow body phenotype and smooth wings are dominant to crinkled wings. Use B or b for body color alleles, and W or w for wing surface alleles.(4 points) a) What are the genotypes of the P generation flies? b) What will be the genotype(s) and phenotype(s) of the F1 offspring? c) You discover that the genes for body color and wing surface are linked. You perform a dihybrid test cross between the F1 flies from part (b) with a true-breeding yellow-bodied, crinkle-winged fly. Use the following results of this cross to determine the recombination frequency (%) between the body color and wing surface genes. (Remember that the recombinants are the ones that do not resemble the parental types from the P generation.) Body Color Wing Surface # of Individuals red smooth 102 yellow smooth 404 red crinkled 396 yellow crinkled…arrow_forwardIn corn, the genes v (virescent seedlings), pr (red aleurone), and bm (brown midrib) are all on chromosome 5, but not necessarily in the order given. The cross: v+ pr bm/ v pr+ bm+ with v pr bm/ v pr bm produces 1000 progeny with the following phenotypes: v+ pr bm 226 v pr+ bm+ 229 v+ pr bm+ 153 v pr+ bm 185 v+ pr+ bm 59 v pr bm+ 71 v+ pr+ bm+ 36 v pr bm 41 What is the gene order, and the (b) genetic map of these three genes?arrow_forward
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