BIOLOGY
12th Edition
ISBN: 9781264839698
Author: Raven
Publisher: MCG CUSTOM
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Textbook Question
Chapter 53, Problem 9U
In the haplodiploidy system of sex determination, males are
a. haploid.
b. diploid.
c. sterile.
d. not present because bees exist as single-sex populations.
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Students have asked these similar questions
Compare and contrast sexual and asexual reproduction. Identify the most accurate statement.
a.
Asexual reproduction results in more offspring per mother.
b.
Sexual reproduction is always more costly.
c.
Sexual reproduction is associated with an increase in homozygosity.
d.
Asexual reproduction is always bad for a species.
Why is parthenogenesis in bees considered to be a form of asexual reproduction?
Select one:
a. The male drone is made from a haploid egg. Fertilization is not part of the process to make a male drone.
b. The formation of the original haploid cell was achieved using binary fission.
c. Although genetic material is transferred from one cell to another using conjugation, the resulting cells will be identical to each other.
d. The haploid male bees were made through the process of meiosis, so they are identical to the parent egg cell.
In humans, mammals and many other chordates sexual reproduction takes place by
fusion of large immobile ovum and small motile sperm. This kind of sexual
reproduction is:
Select one:
a. Isogamy
b. Schizogony
c. Oogamy
d. Conjugation
e. Polyteny
Chapter 53 Solutions
BIOLOGY
Ch. 53.1 - Prob. 1LOCh. 53.1 - Prob. 2LOCh. 53.1 - Prob. 3LOCh. 53.2 - Prob. 1LOCh. 53.2 - Prob. 2LOCh. 53.3 - Prob. 1LOCh. 53.3 - Prob. 2LOCh. 53.3 - Prob. 3LOCh. 53.4 - Prob. 1LOCh. 53.4 - Prob. 2LO
Ch. 53.4 - Prob. 3LOCh. 53.5 - Prob. 1LOCh. 53.5 - Prob. 2LOCh. 53.5 - Prob. 3LOCh. 53.6 - Prob. 1LOCh. 53.7 - Define migration.Ch. 53.7 - Prob. 2LOCh. 53.7 - Prob. 3LOCh. 53.8 - Prob. 1LOCh. 53.8 - Prob. 2LOCh. 53.8 - Prob. 3LOCh. 53.9 - Prob. 1LOCh. 53.9 - Prob. 2LOCh. 53.10 - Prob. 1LOCh. 53.10 - Prob. 2LOCh. 53.11 - Prob. 1LOCh. 53.11 - Prob. 2LOCh. 53.11 - Prob. 3LOCh. 53.12 - Prob. 1LOCh. 53.12 - Prob. 2LOCh. 53.12 - Prob. 3LOCh. 53.13 - Prob. 1LOCh. 53.13 - Prob. 2LOCh. 53.13 - Prob. 3LOCh. 53 - Prob. 1DACh. 53 - Prob. 2DACh. 53 - Prob. 3DACh. 53 - Prob. 4DACh. 53 - Prob. 5DACh. 53 - Prob. 1IQCh. 53 - Prob. 2IQCh. 53 - Prob. 3IQCh. 53 - What factors might be responsible for the slight...Ch. 53 - Prob. 1UCh. 53 - Prob. 2UCh. 53 - The study of song development in sparrows showed...Ch. 53 - Prob. 4UCh. 53 - Prob. 5UCh. 53 - Prob. 6UCh. 53 - Prob. 7UCh. 53 - Prob. 8UCh. 53 - In the haplodiploidy system of sex determination,...Ch. 53 - Prob. 10UCh. 53 - Prob. 11UCh. 53 - Prob. 1ACh. 53 - Refer to figure 54.25. Six pairs of birds were...Ch. 53 - Prob. 3ACh. 53 - Prob. 1SCh. 53 - Behavioral genetics has made great advances from...Ch. 53 - If a female bird chooses to live in the territory...
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- In species with environmental sex determination, a. sex is determined during development as an embryo. b. environmental conditions determine the sex of an individual. c. hermaphroditism always occurs. d. Both a and b are correct.arrow_forwardWhich of the following consequences of sexual reproduction is considered disadvantageous? A. More rapid evolution. B. Generation of novel genotypes. C. Clearance of deleterious mutations. D. Reduced relatedness.arrow_forwardIn C. elegans there are two sexes: hermaphrodite and male. Sex is determined by the ratio of X chromosomes to haploid sets of autosomes (X/A). An X/A ratio of 1.0 produces a hermaphrodite (XX), and an X/A ratio of 0.5 results in a male (XO). In the 1970s, Jonathan Hodgkin and Sydney Brenner carried out genetic screens to identify mutations in three genes that result in either XX males (tra-1, tra-2) or XO hermaphrodites (her-1). Double-mutant strains were constructed to assess for epistatic interactions between the genes (see table). Propose a genetic model of how the her and tra genes control sex determination.arrow_forward
- Which of the following statements CORRECTLY describes the contribution of sperm to thezygote for most vertebrate species?A. flagella, acrosome vesicle,B. mitochondria, haploid DNAC. centriole, haploid DNAD. acrosome vesicle, mitochondriaarrow_forwardA tetrad of spores in an ascus is the product of a. one meiotic division.b. two meiotic divisions.c. one meiotic division followed by one mitotic division.d. one mitotic division followed by one meiotic division.arrow_forwardThe number of chromosomes present in eukaryotic cells a. is consistent during the life cycle b. is haploid among asexually reproducing forms and diploid if the reproduce sexually c. is double by fertilization and cut in half by meiosis d. is dependent on the age of the tissuearrow_forward
- In which type of genetic sex determination (i.e. sex is determined by genetic differences, not the environment) system are there no special sex chromosomes? Group of answer choices A. ZW determination B. environmental sex determination C. haplodiploidy D. XY determinationarrow_forwardWhich of the following statements is an evolutionary advantage of sex and sexual reproduction? A. Sex and recombination results in decreased genetic variation in a population and maintains advantageous traits. B. Sex and recombination can bring beneficial alleles together when producing offspring. C. Sex and recombination results in the inheritance of all the genetic information available from both parents. D. Reproduction is less risky when gametes from two individuals must fuse.arrow_forwardWhich of the following is a benefit of meiosis? A. The generation of offspring with the exact genetic material of the parents ensures the offspring are well-liked to their environment. B. The independent assortment of alleles increases genetic diversity, which allows the species to evolve. C. The separation of chromatids in meiosis creates offspring with only the most desirable traits, which increases the likelihood of species survival. D. The use of meiosis in reproduction allows for the rapid production of many offspring, which increases the odds of species survival.arrow_forward
- How does the sexual life cycle increase the genetic variation in a species? a. by providing gametes with different combinations of parental chromosomes. b. by allowing the combination of chromosomes from two different individuals. c. by allowing recombination of the alleles on a chromosome. d. A and B only. e. A, B, and C. Explain your answer.arrow_forwardDescribe the concept of the Red Queen Hypothesis in your own words.arrow_forwardIn mammals, sex is determined bya. the SRY gene on the Y chromosome.b. having two copies of the X chromosome.c. having one copy of the X chromosome.d. both a and carrow_forward
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