Figure 7.2 If a mutation occurs so that a fungus is no longer able to produce a minus mating type, will it still be able to reproduce? Figure 7.2 (a) In animals, sexually reproducing adults form haploid gametes from diploid germ cells. (b) Fungi, such as black bread mold (Rhizopus nigricans), have haploid-dominant life cycles. (c) Plants have a life cycle that alternates between a multicellular haploid organism and a multicellular diploid organism. (credit c “fern”: modification of work by Cory Zanker; credit c “gametophyte”: modification of work by “Vlmastra”/Wikimedia Commons)

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Answer 1

Textbook Question

Chapter 7, Problem 1ACQ

Figure 7.2 If a mutation occurs so that a fungus is no longer able to produce a minus mating type, will it still be able to reproduce?

Chapter 7, Problem 1ACQ, Figure 7.2 If a mutation occurs so that a fungus is no longer able to produce a minus mating type,

Figure 7.2 (a) In animals, sexually reproducing adults form haploid gametes from diploid germ cells. (b) Fungi, such as black bread mold (Rhizopus nigricans), have haploid-dominant life cycles. (c) Plants have a life cycle that alternates between a multicellular haploid organism and a multicellular diploid organism. (credit c “fern”: modification of work by Cory Zanker; credit c “gametophyte”: modification of work by “Vlmastra”/Wikimedia Commons)

Expert Solution & Answer

Summary Introduction

To analyze:

If a fungus can still reproduce in case the fungus undergoes mutation and is unable to produce a minus mating type.

Introduction:

Fungi can reproduce both sexually and asexually. Sexual reproduction can occur by fusion of two gametes that can be similar in size (isogamous), or dissimilar (anisogamous). Asexual reproduction occurs by fragmentation or asexual spore formation such as zoospores.

Explanation of Solution

Yes, a fungus that is unable to produce minus mating type will be able to reproduce. Reproduction in the fungus can also occur asexually by fragmentation of its hyphae to produce a daughter fungus or asexual spores.

Conclusion

The fungus that is unable to multiply sexually can still reproduce asexually by spore formation and fragmentation.

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Students have asked these similar questions

One reason that worker bees forgo their own reproduction to help their sister (the queen) reproduce is that female bees are more closely related to their sisters than they are to their own offspring. This quirk of genetics results from the fact that bees have haplodiploid sex determination, in which females are diploid, with a mother and a father, but males are haploid, developing from unfertilized eggs. Because males are haploid, they produce sperm by mitosis. Explainwhy haplodiploid sex determination causes females to be more closely related to their sisters than to their offspring.

Why must the life cycle of sexually reproducing species alternate between haploid and diploid stages? A) Mitosis must occur at some point in the life cycle to prevent a doubling of chromosomes in each generation. B) Meiosis must occur at some point in the life cycle to prevent a doubling of chromosomes in each generation. C) Mitosis must occur at some point in the life cycle to prevent a reduction of chromosomes in each generation. D) Meiosis must occur at some point in the life cycle to prevent a reduction of chromosomes in each generation.

If chimpanzees (Pan troglodytes) have a diploid chromosome count of 48, what is the haploid chromosome count?---------- At metaphase of meiosis I in a chimp cell, how many chromosomes --------and how many chromatids --------------would be present? Use numerals please.

Answer 2

Textbook Question

Chapter 7, Problem 1ACQ

Figure 7.2 If a mutation occurs so that a fungus is no longer able to produce a minus mating type, will it still be able to reproduce?

Chapter 7, Problem 1ACQ, Figure 7.2 If a mutation occurs so that a fungus is no longer able to produce a minus mating type,

Figure 7.2 (a) In animals, sexually reproducing adults form haploid gametes from diploid germ cells. (b) Fungi, such as black bread mold (Rhizopus nigricans), have haploid-dominant life cycles. (c) Plants have a life cycle that alternates between a multicellular haploid organism and a multicellular diploid organism. (credit c “fern”: modification of work by Cory Zanker; credit c “gametophyte”: modification of work by “Vlmastra”/Wikimedia Commons)

Expert Solution & Answer

Summary Introduction

To analyze:

If a fungus can still reproduce in case the fungus undergoes mutation and is unable to produce a minus mating type.

Introduction:

Fungi can reproduce both sexually and asexually. Sexual reproduction can occur by fusion of two gametes that can be similar in size (isogamous), or dissimilar (anisogamous). Asexual reproduction occurs by fragmentation or asexual spore formation such as zoospores.

Explanation of Solution

Yes, a fungus that is unable to produce minus mating type will be able to reproduce. Reproduction in the fungus can also occur asexually by fragmentation of its hyphae to produce a daughter fungus or asexual spores.

Conclusion

The fungus that is unable to multiply sexually can still reproduce asexually by spore formation and fragmentation.

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Answer 3

Textbook Question

Chapter 7, Problem 1ACQ

Figure 7.2 If a mutation occurs so that a fungus is no longer able to produce a minus mating type, will it still be able to reproduce?

Chapter 7, Problem 1ACQ, Figure 7.2 If a mutation occurs so that a fungus is no longer able to produce a minus mating type,

Figure 7.2 (a) In animals, sexually reproducing adults form haploid gametes from diploid germ cells. (b) Fungi, such as black bread mold (Rhizopus nigricans), have haploid-dominant life cycles. (c) Plants have a life cycle that alternates between a multicellular haploid organism and a multicellular diploid organism. (credit c “fern”: modification of work by Cory Zanker; credit c “gametophyte”: modification of work by “Vlmastra”/Wikimedia Commons)

Expert Solution & Answer

Summary Introduction

To analyze:

If a fungus can still reproduce in case the fungus undergoes mutation and is unable to produce a minus mating type.

Introduction:

Fungi can reproduce both sexually and asexually. Sexual reproduction can occur by fusion of two gametes that can be similar in size (isogamous), or dissimilar (anisogamous). Asexual reproduction occurs by fragmentation or asexual spore formation such as zoospores.

Explanation of Solution

Yes, a fungus that is unable to produce minus mating type will be able to reproduce. Reproduction in the fungus can also occur asexually by fragmentation of its hyphae to produce a daughter fungus or asexual spores.

Conclusion

The fungus that is unable to multiply sexually can still reproduce asexually by spore formation and fragmentation.

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Answer 4

Textbook Question

Chapter 7, Problem 1ACQ

Figure 7.2 If a mutation occurs so that a fungus is no longer able to produce a minus mating type, will it still be able to reproduce?

Chapter 7, Problem 1ACQ, Figure 7.2 If a mutation occurs so that a fungus is no longer able to produce a minus mating type,

Figure 7.2 (a) In animals, sexually reproducing adults form haploid gametes from diploid germ cells. (b) Fungi, such as black bread mold (Rhizopus nigricans), have haploid-dominant life cycles. (c) Plants have a life cycle that alternates between a multicellular haploid organism and a multicellular diploid organism. (credit c “fern”: modification of work by Cory Zanker; credit c “gametophyte”: modification of work by “Vlmastra”/Wikimedia Commons)

Expert Solution & Answer

Summary Introduction

To analyze:

If a fungus can still reproduce in case the fungus undergoes mutation and is unable to produce a minus mating type.

Introduction:

Fungi can reproduce both sexually and asexually. Sexual reproduction can occur by fusion of two gametes that can be similar in size (isogamous), or dissimilar (anisogamous). Asexual reproduction occurs by fragmentation or asexual spore formation such as zoospores.

Explanation of Solution

Yes, a fungus that is unable to produce minus mating type will be able to reproduce. Reproduction in the fungus can also occur asexually by fragmentation of its hyphae to produce a daughter fungus or asexual spores.

Conclusion

The fungus that is unable to multiply sexually can still reproduce asexually by spore formation and fragmentation.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

To analyze:

If a fungus can still reproduce in case the fungus undergoes mutation and is unable to produce a minus mating type.

Introduction:

Fungi can reproduce both sexually and asexually. Sexual reproduction can occur by fusion of two gametes that can be similar in size (isogamous), or dissimilar (anisogamous). Asexual reproduction occurs by fragmentation or asexual spore formation such as zoospores.

Explanation of Solution

Yes, a fungus that is unable to produce minus mating type will be able to reproduce. Reproduction in the fungus can also occur asexually by fragmentation of its hyphae to produce a daughter fungus or asexual spores.

Conclusion

The fungus that is unable to multiply sexually can still reproduce asexually by spore formation and fragmentation.

Answer 8

Expert Solution & Answer

Summary Introduction

To analyze:

If a fungus can still reproduce in case the fungus undergoes mutation and is unable to produce a minus mating type.

Introduction:

Fungi can reproduce both sexually and asexually. Sexual reproduction can occur by fusion of two gametes that can be similar in size (isogamous), or dissimilar (anisogamous). Asexual reproduction occurs by fragmentation or asexual spore formation such as zoospores.

Explanation of Solution

Yes, a fungus that is unable to produce minus mating type will be able to reproduce. Reproduction in the fungus can also occur asexually by fragmentation of its hyphae to produce a daughter fungus or asexual spores.

Conclusion

The fungus that is unable to multiply sexually can still reproduce asexually by spore formation and fragmentation.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

To analyze:

If a fungus can still reproduce in case the fungus undergoes mutation and is unable to produce a minus mating type.

Introduction:

Fungi can reproduce both sexually and asexually. Sexual reproduction can occur by fusion of two gametes that can be similar in size (isogamous), or dissimilar (anisogamous). Asexual reproduction occurs by fragmentation or asexual spore formation such as zoospores.

Answer 12

Explanation of Solution

Yes, a fungus that is unable to produce minus mating type will be able to reproduce. Reproduction in the fungus can also occur asexually by fragmentation of its hyphae to produce a daughter fungus or asexual spores.

Answer 13

Conclusion

The fungus that is unable to multiply sexually can still reproduce asexually by spore formation and fragmentation.

Answer 14

Ch. 7 - Figure 7.2 If a mutation occurs so that a fungus...Ch. 7 - What is a likely evolutionary advantage of sexual...Ch. 7 - Which type of life cycle has both a haploid and...Ch. 7 - Which event leads to a diploid cell in a life...Ch. 7 - Meiosis produces daughter cells. a. two haploid b....Ch. 7 - At which stage of meiosis are sister chromatids...Ch. 7 - The part of meiosis that is similar to mitosis...Ch. 7 - If a muscle cell of a typical organism has 32...Ch. 7 - The genotype XXY corresponds to: a. Klinefelter...Ch. 7 - Abnormalities in the number of X chromosomes tend...

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