1. How will the offspring be affected if one of the gametes or one of the parent carry an impaired number of haploid chromosomes? Cite an example to justify your answer. Answer in 10 maximum sentences only.

1. How will the offspring be affected if one of the gametes or one of the parent carry an impaired number of haploid chromosomes? Cite an example to justify your answer. Answer in 10 maximum sentences only.

Name: 1. How will the offspring be affected if one of the gametes or one of
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Description: 1. How will the offspring be affected if one of the gametes or one of the parentcarry an impaired number of haploid chromosomes? Cite an example to justifyyour answer. Answer in 10 maximum sentences only.2. How would you explain the relationship of

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter12: Meiosis And Sexual Reproduction

Section: Chapter Questions

Problem 4SA: Meiosis ________. a. occurs only in germ cells of animals b. supports growth and tissue repair in...

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the Cavendish banana, the world's most popular fruit, is currently threatened by extinction due to a fungus. This banana variety is "triploid" and can only reproduce through cloning by cultivaors. Ginven what you know about meiosis, expalin how the banana's triploid number accounts for its inablility to form normal gametes. Considering genetic diversity, discuss how the absence of sexual reproduction might make this domesticated species.
2) Meiosis and sexual reproduction are, in large part, responsible for genetic variation within a population. Meiosis supports genetic variation in several ways. All BUT ONE applies to meiosis, sexual reproduction and genetic variation. A) Meiosis is preceded by DNA replication of chromosomes in the nucleus of the mother cell. B) As seen in the diagram, during meiosis crossing over, or swapping of DNA segments, may occur. C) During fertilization each parent randomly contributes a unique set of chromosomes to the zygote. D) Because of recombination and independent assortment during meiosis, each of the four gametes contains a different set of DNA. Not Graded
WRITE ABOUT A THEME: INFORMATION The continuity oflife is based on heritable information in the form of DNA. In ashort essay (100–150 words), relate the structure and behaviorof chromosomes to inheritance in both asexually and sexuallyreproducing species.
Meiosis ________. a. occurs only in germ cells of animals b. supports growth and tissue repair in multicelled species c. gives rise to genetic diversity among offspring d. is part of the life cycle of all cells.
If a muscle cell of atypical organism has 32 chromosomes, how many chromosomes will be in a gamete of that same organism? 8 16 32 64
Diploid vs. Haploid: Given n = 12a. Diploid (2n) number? b. This organism has a total of how many chromosomes? c. How many different pairs of chromosomes does this organismhave?
Meiosis_______ . a. occurs only in animals b. supports growth and tissue repair in multicelled species c. gives rise to genetic diversity among offspring d. is part of the life cycle of all cells
I do not how to answer question a from my biology packet. EXAMPLE 2: The parents in the family above produce another son, this time with two Y chromosomes and normal tooth enamel. In which parent did the nondisjunction occur? Explain and/or illustrate. Did nondisjunction occur at meiosis I or II? Explain and/or illustrate. What sex chromosomes are in the child’s somatic cells?
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.
The Cavendish banana, the world’s most popular fruit, is currently threatened by extinction due to a fungus. This bananavariety is “triploid” (3n, with three sets of chromosomes) andcan only reproduce through cloning by cultivators. Givenwhat you know about meiosis, explain how the banana’s triploid number accounts for its inability to form normal gametes.Considering genetic diversity, discuss how the absence ofsexual reproduction might make this domesticated speciesvulnerable to infectious agents.
Which of the following is not a contributor to genetic variation? (a) replication of sister chromatids (b) crossing-over of homologous chromosomes (c) random assortment of homologous chromosomes (d) fertilization
2. A plant has species has a diploid of chromosome number 18. How many chromosome would beexpected in a:a. Triploid? ________b. Trisomic? ________c. Double Trisomic ? ________