BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 14, Problem 15SA
Match the chromosome terms appropriately.
| ___ polyploid | a. symptoms of a genetic disorder |
| ___ deletion | b. chromosomal mashup |
| ___ aneuploidy | c. extra sets of chromosomes |
| ___ translocation | d. gets around |
| ___ syndrome | e. a chromosome segment lost |
| ___ transposable element | f. one extra chromosome |
| ___ X-linked | g. allele on the X chromosome |
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Match each term with the best description. ___ DNA replication a. basis of variation in traits ___ metaphase I b. useful for varied offspring ___ alleles c. none between meiosis I ___ prophase I and meiosis II ___ zygotes d. similar to mitosis ___ gametes e. haploid ___ males f. form at fertilization ___ meiosis II g. mash-up time h. chromosome lineup
white
b. light black
c. medium TA
I. X-LINKED OR SEX-LINKED TRAITS
A color-blind man marries a woman wit
blind. Use aXfor normal vision, and al X for color-blindness, (Remember
where sex-linked traits are carried). What is the genotype of the ma
al vision, whose father was color-
h norm
type of the manand woman?
Use a Punnett square to show the phenotypes of their progeny
172
1. Genes in different chromosomes ______ during meiosis. Genes that are very close together in the same chromosome are ______.
a. do not assort independently; linked
b. do not assort independently; unrelated
c. assort independently; linked
d. assort independently; unrelated
2. Suppose that codons consisted of 4 nucleotides instead of 3 and that there were only 2 different bases.
How many amino acids could be encoded by this variant of the genetic code?
Chapter 14 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 14 - Constructing a family pedigree is particularly...Ch. 14 - Prob. 2SACh. 14 - Prob. 3SACh. 14 - Prob. 4SACh. 14 - Prob. 5SACh. 14 - A trait that is present in a male child but not in...Ch. 14 - Color blindness is a case of ________ inheritance....Ch. 14 - Prob. 8SACh. 14 - Alleles for Tay-Sachs disease are inherited in an...Ch. 14 - Prob. 10SA
Ch. 14 - Prob. 11SACh. 14 - Prob. 12SACh. 14 - Prob. 13SACh. 14 - Klinefelter syndrome XXY can be easily diagnosed...Ch. 14 - Match the chromosome terms appropriately. ___...Ch. 14 - Does the phenotype indicated by the red circles...Ch. 14 - Human females have two X chromosomes XX; males...Ch. 14 - Somatic cells of individuals with Down syndrome...Ch. 14 - An allele responsible for Marfan syndrome Section...Ch. 14 - Both Duchenne muscular dystrophy and color...
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- The size of the deleted chromosomal piece O a. is correlated with cytoplasmic streaming only O b.determines the severity of the genetic disorder O c. none of these O d.is usually associated only with genic (base pair) mutations e. is replaced through normal meiosisarrow_forwardMatch the specific phase of meiosis with the correct description._____ Prophase I a. Homologous chromosomes arrive atopposite poles._____ Metaphase I b. Homologous chromosomes line up._____ Anaphase I c. Chromosomes line up at the equator._____ Telophase I d. Independent assortment occurs._____ Prophase II e. Separated sister chromatids arrive atopposite poles._____ Metaphase II f. Sister chromatids remain condensed._____ Anaphase II g. Crossing over occurs._____ Telophase II h. Sister chromatids pull apart.arrow_forwardWhich sex chromosome do only males have? e. Shade the female offspring in the above Punnett square. Leave the male offspring unsha STUDY GUIDE Name Date Class GENETIC DISORDERS K新器器 8 4 5 6 7 XK XX XX Xx 8X xx XX XX * R KK * 游 XK 器 8 9 10 8 9 10 11 12 13 14 15 11 12 13 14 15 器 器器線 * K* 16 17 18 19 20 21 22 XX 16 17 18 19 20 21 22 XXY Figure 1 Figure 2 1. Suppose a child was found to have the chromosome pattern shown in Figure 1 above. a. Is the child a male or female? b. Explain your answer. c. Down syndrome is caused by one extra autosome in each cell. What pair of chromosomes has an extra chromosome? d. How did this child get an extra chromosome? 2. Suppose a child was found to have the chromosome pattern shown in Figure 2 above. a. Is the child a male or female? b. Explain your answer. c. Which chromosome is the extra chromosome, an X or Y? d. How did the child get an extra chromosome?arrow_forward
- G1 phase cat cells will have 19 pairs of chromosomes. In a cat cell in metaphase of mitosis .. A. How many sister chromatids would the cell have? B. How many centromeres would the cell have? C. How many centrosomes would the cell have? Explain what happens in the following stages S phase Prophase Anaphase Cytokinesis What is a checkpoint? Give an example and say what happens at that checkpoint Put the images in the correct order in the cell cycle and name the stages. For the order part, just use the numbers: if the correct order is 1 2 3 4 5, write in that order. 4 3 .. G 0000 5 2 Maphase plait Comono Controles Apterarrow_forwardHomologaus Chromasomes A= В. B = XX C = с. D = Centromere A. Sister Chromatids D. 7. Label the following terms/descriptions as either "Sister Chromatids", "Homologous Chromosomes," or "Both." (1 point each; 9 points total) a. Have identical DNA sequences b. Separate during meiosis c. Separate during mitosis d. Separate during meiosis I e. Separate during meiosis II f. One comes from the mother and the other from the father g. Are held together by cohesion h. Can undergo crossing over i. Are separated by the spindlearrow_forwardA pea plant has the genotype TtRr. The independent assortmentof these two genes occurs at ________ because chromosomescarrying the ________ alleles line up independently of the chromosomes carrying the ________ alleles.a. metaphase of meiosis I, T and t, R and rb. metaphase of meiosis I, T and R, t and rc. metaphase of meiosis II, T and t, R and rd. metaphase of meiosis II, T and R, t and rarrow_forward
- An abnormality in which there is one more or one fewer than the normal number of chromosomes is called (a) a karyotype (b) a fragile site (c) an aneuploidy (d) trisomy (e) a translocationarrow_forwardChoose the statement that is incorrect. a. A son can inherit a recessive allele on an X chromosome from either parent. b. An individual may inherit three or more of each type of chromosome characteristic or the species, a condition called polyploidy. c. A female child inherits one X chromosome from her mother and one from her father. d. Pedigree analysis can be used to determine a future childs chance of being born with achcondroplasia.arrow_forwardAlternative forms of the same gene are called _________ . a. gametes c. alleles b. homologous d. sister chromatidsarrow_forward
- Match the chromosome disorder to its descriptionin the key. Turner syndrome a. female with undeveloped ovaries and uterus, unable to undergopuberty, normal intelligence, can live normally with hormonereplacementb. XXY male, can inherit more than two X chromosomesc. male or female, mentally impaired, short stature, flat face, stubbyfingers, large tongue, simian palm creased. XXX or XXXX femalee. caused by nondisjunction during spermatogenesisarrow_forwardNondisjunction in meiosis can result in_____ . a. base-pair substitutions c. crossing over b. aneuploidy d. pleiotropyarrow_forwardLet us practice it again! Analyze the pedigree below to answer the questions that follow. Huntington's disease a disorder in which nerve cells waste away, or disintegrate, is passed down through families. certain parts of the brain Huntington's diseate llustration ereated in htps://pregenygenetion.com/ 1. What members of the family above are affected with the Huntington's disease? 2. Tnere are no carriers ior Huntungton's disease you either have it or you do not. Is Huntington's disease caused-by a dominant or recessive trait? 3. Identify the genotypes of the following individuals using the pedigree above. (homozygous dominant, homozygous recessive, heterozygous). I- 1 II -1: II -3: III - 4 : 4. How many children did individuals I-1 and I-2 have? 5. How many girls did II-1 and II-2 have? How many have Huntington's Disease? 6. How are individuals III-2 and II-4 related? I-2 and III-5?arrow_forward
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