Roaches Mating American cockroaches engage in courtship rituals before mating. Females begin courtship by raising their wings, exposing their integral membranes, expanding their genital chambers and releasing a pheromone that attracts males. This stance is referred to as the calling position. Attracted males approach females and flap their wings to denote interest. Mating commences when a male cockroach backs into a female cockroach, depositing sperm. After fertilization, a female American cockroach produces an egg case known as an ootheca. Some species of cockroaches are ovoviviparous, which means they carry the ootheca inside their bodies. In a few species, the eggs grow inside the female's uterus without the aid of an ootheca. The developing babies feed on the yolks of the eggs, just as those that grow outside of their mothers do. Only one species of cockroach is viviparous, meaning the babies develop inside the mother's uterus surrounded by amniotic fluid. The young grow and develop just as the offspring of mammals do until the mother gives birth. The female carries the ootheca on her abdomen for a short time, usyally a day or two. After that, she deposits it in a warm humid location. Nymphs emerge within 38 days and complete their development within six to 12+ months. The life span of the American cockroach ranges from one to 1.5 years.
Roaches Mating American cockroaches engage in courtship rituals before mating. Females begin courtship by raising their wings, exposing their integral membranes, expanding their genital chambers and releasing a pheromone that attracts males. This stance is referred to as the calling position. Attracted males approach females and flap their wings to denote interest. Mating commences when a male cockroach backs into a female cockroach, depositing sperm. After fertilization, a female American cockroach produces an egg case known as an ootheca. Some species of cockroaches are ovoviviparous, which means they carry the ootheca inside their bodies. In a few species, the eggs grow inside the female's uterus without the aid of an ootheca. The developing babies feed on the yolks of the eggs, just as those that grow outside of their mothers do. Only one species of cockroach is viviparous, meaning the babies develop inside the mother's uterus surrounded by amniotic fluid. The young grow and develop just as the offspring of mammals do until the mother gives birth. The female carries the ootheca on her abdomen for a short time, usyally a day or two. After that, she deposits it in a warm humid location. Nymphs emerge within 38 days and complete their development within six to 12+ months. The life span of the American cockroach ranges from one to 1.5 years.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Genetic Recombination
Recombination is crucial to this process because it allows genes to be reassorted into diverse combinations. Genetic recombination is the process of combining genetic components from two different origins into a single unit. In prokaryotes, genetic recombination takes place by the unilateral transfer of deoxyribonucleic acid. It includes transduction, transformation, and conjugation. The genetic exchange occurring between homologous deoxyribonucleic acid sequences (DNA) from two different sources is termed general recombination. For this to happen, an identical sequence of the two recombining molecules is required. The process of genetic exchange which occurs in eukaryotes during sexual reproduction such as meiosis is an example of this type of genetic recombination.
Microbial Genetics
Genes are the functional units of heredity. They transfer characteristic information from parents to the offspring.
Question
Based on the text for roaches:
1. Compare the genetic relationship of the parent pest and its offspring.
USE THE WORD: genetically identical, genetic recombination
PLEASE USE INFO BASED ON THE TEXT ONLY
Transcribed Image Text:三 =
4.
7.
10
Roaches Mating
American cockroaches engage in courtship rituals before mating. Females
begin courtship by raising their wings, exposing their integral membranes,
expanding their genital chambers and releasing a pheromone that attracts
males. This stance is referred to as the calling position.
Attracted males approach females and flap their wings to denote interest.
Mating commences when a male cockroach backs into a female cockroach,
depositing sperm.
After fertilization, a female American cockroach produces an egg case
known as an ootheca. Some species of cockroaches are ovoviviparous,
which means they carry the ootheca inside their bodies. In a few species,
the eggs grow inside the female's uterus without the aid of an ootheca. The
developing babies feed on the yolks of the eggs, just as those that grow
outside of their mothers do. Only one species of cockroach is viviparous,
meaning the babies develop inside the mother's uterus surrounded by
amniotic fluid. The young grow and develop just as the offspring of
mammals do until the mother gives birth. The female carries the ootheca on
her abdomen for a short time, usyally a day or two. After that, she deposits
it in a warm humid location.
Nymphs emerge within 38 days and complete their development within six
to 12+ months. The life span of the American cockroach ranges from one to
1.5 years.
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