Biology: Life on Earth
10th Edition
ISBN: 9780321729712
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: Benjamin Cummings
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Chapter 10, Problem 4FTB
Fill-in-the-Blank
Many organisms, including mammals, have both autosomes and sex chromosomes. In mammals, males have_______ sex chromosomes and females have _____________ chromosomes. The sex of offspring depends on which chromosome is present in the (sperm/egg). LO6
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A fox's diploid number of chromosomes is 36. How would the number of chromosomes in the fox's body cells compare to the number of chromosomes in its gametes?
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Its body cells and gametes would both have 18 chromosomes.
Its body cells and gametes would both have 36 chromosomes.
Its body cells would have 18 chromosomes, and its gametes would have 36 chromosomes.
Its body cells would have 36 chromosomes, and its gametes would have 18 chromosomes.
Alternative versions of a gene on homologous chromosomes are called ____________.
Abnormal cell division genetically gone wrong is called _________________.
In meiosis, one germ cell produces how many gametes?
In meiosis, new sex cells have a ________________ number of parental chromosomes?
During meiosis, a process called ____________________ can produce increased genetic variation in the new gametes due to the close contact between sister chromatids of homologous chromosomes.
How do the chromosomes in a male
human differ from those in a female
human?
Males have one extra pair of
autosomes.
Females have one extra pair of
autosomes.
Males have a Y chromosome, which
females lack.
Males have two X chromosomes,
and females have only one X
chromosome.
Chapter 10 Solutions
Biology: Life on Earth
Ch. 10 - Fill-in-the-Blank The physical position of a gene...Ch. 10 - Define nondisjunction, and describe common...Ch. 10 - In certain cattle, hair color can be red...Ch. 10 - Prob. 2GPCh. 10 - In the edible pea, tall (T) is dominant to short...Ch. 10 - In tomatoes, round fruit (R) is dominant to long...Ch. 10 - In the tomatoes of Problem 4, an F1 offspring...Ch. 10 - Prob. 6GPCh. 10 - In humans, one of the genes determining color...Ch. 10 - In the couple described in Problem 7, the woman...
Ch. 10 - An organism is described as Rr, with red coloring....Ch. 10 - 2. The inheritance of multiple traits depends on...Ch. 10 - Fill-in-the-Blank Many organisms, including...Ch. 10 - 4. Genes that are present on one sex chromosome...Ch. 10 - 5. When the phenotype of heterozygotes is...Ch. 10 - 1. Define the following terms: gene, allele,...Ch. 10 - 2. Explain why genes located on the same...Ch. 10 - 3. Define polygenic inheritance. Why does...Ch. 10 - What is sex linkage? In mammals, which sex would...Ch. 10 - What is the difference between a phenotype and a...Ch. 10 - 6. In the pedigree of part (a) of Figure 11–22, do...Ch. 10 - Sometimes the term gene is used rather casually....Ch. 10 - In an alternate universe, all the genes in all...Ch. 10 - Prob. 3AC
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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
- Including the sex chromosomes, the chromosome number of a normal human cell is ___________ and the chromosome number of this HeLa cell is (look at picture). (Hint: Chromosome number is different from total chromosome count.)arrow_forwardThe Y chromosome has been shrinking throughout mammalian evolution, but many of its remaining genes play crucial roles beyond sex determination. Let's discuss the implications. And keep in mind that many animal species do not even have proper sex chromosomes.arrow_forwardDrosophila melanogaster has four pairs of chromosomes. Sperm for this species are formed by a meiotic process in which homologous chromosomes pair and segregate but do no undergo crossing over. How many genetically different kinds of sperm could be produced by a drosophila melanogaster male? 416 256 64 8arrow_forward
- Normal male grasshoppers have no sex chromosomes. True or Falsearrow_forwardAll of the above 8. Which is the correct description of the human chromosome number? * O2n =23 (where n=23, the number of different numbered human chromosomes) O2n = 46 (where n=23, the number of different numbered human chromosomes) O 4n = 23 (where n=23, the number of different numbered human chromosomes) O4n = 46 (where n=23, the number of different numbered human chromosomes) Any comments please use this space (e.g. to clarify an answer or point out w issues on questions, etc.)arrow_forwardIn organisms with the ZZ-ZW sex-determining system, from which of the following possibilities can a female inherit her Z chromosome? Yes No Her mother’s mother ____________ ____________ Her mother’s father ____________ ____________ Her father’s mother ____________ ____________ Her father’s father ____________ ____________arrow_forward
- Which of the following statements is correct regarding the human X chromosomes? It is the same size as other chromosomes and has the same number of genes. It is present in every somatic cell of males and females. It carries genes that determine an individual's biological sex. It is referred to as an autosome.arrow_forward. A mature female wolf, with 78 diploid chromosomes in each somatic cell, produces haploid oocytes (egg cells) containing how many chromosomes per cell? 1 sex-determining chromosome (Y) and 38 autosomes 2 sex-determining chromosomes (XX) and 76 autosomes 1 sex-determining chromosome (X) and 39 autosomes 2 sex-determining chromosomes (XY) and 76 autosomes 1 sex-determining chromosome (X) and 38 autosomesarrow_forwardDuring meiosis in male mammals, sex chromosomes segregate to produce two types of sperm: X‑bearing sperm and Y‑bearing sperm. True or false?arrow_forward
- Fill in the blanks. Including the sex chromosomes, the chromosome number of a normal human cell is __________ and the chromosome number of this HeLa cell is ___________(Hint: Chromosome number is different from total chromosome count.)arrow_forwardBackground Info Rainbow trout go through a unique genetic reproductive process. Female eggs are diploid, while male sperm are haploid. In the wild, when the sperm fertilizes an egg, the extra set of chromosomes is kicked out, resulting in a diploid offspring.Triploid trout are produced in the lab to provide sterile fish stock for lakes. Shortly after the eggs are fertilized, scientists place them in a warm water bath to prevent the extra chromosomes from being removed. The result is a triploid fish that cannot reproduce.Rainbow Trout: n = 30 Global warming is an issue affecting many species around the world. Warming has caused the temperatures in lakes and rivers to increase and stay elevated for longer periods of time. Question Select the FOUR numbers that describe the possible effects of global warming on the reproduction of rainbow trout in the wild and on biodiversity. The extra set of chromosomes remains. The extra set of chromosomes is removed. The offspring are diploid (2n).…arrow_forwardIn the life cycle of an animal, __________ are haploid and _________ are diploid gametes/ sex cells gametes/ somatic cells somatic cells/ gametes somatic cells/ sex cells body cells/ gametesarrow_forward
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