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many choice question Which of the following are reasons why females are usually the choosy sex?...
Observation: Sex Chromosome Anomalies A female with Turner syndrome (XO) has only one sex chromosome, an...
Observation: Sex Chromosome Anomalies A female with Turner syndrome (XO) has only one sex chromosome, an X chromosome; the O signifies the absence of the second sex chromosome. Because the ovaries never become functional, these females do not undergo puberty or menstruation, and their breasts do not develop. Generally, females with Turner syndrome have a short build, folds of skin on the back of the neck, difficulty recognizing various spatial patterns, and normal intelligence. With hormone supplements, they can lead...
1.a) How do we know that in humans the X chromosomes play no role in sex...
1.a) How do we know that in humans the X chromosomes play no role in sex determination, while the Y chromosome causes maleness and its absence causes femaleness? c) How do we know that X chromosomal inactivation of either the paternal or maternal homolog is a random event during early development in mammalian females? d) How do we know that Drosophila utilizes a different sex-determination mechanism than mammals, even though it has the same sex-chromosome compositions in males and females?...
Check Your Understanding 3.1 1 What are chromosomes made of? number 2 How many chromosomes are...
Check Your Understanding 3.1 1 What are chromosomes made of? number 2 How many chromosomes are in a human somatic cell? 46 chromosomes 3 The term used to refer to this full complement of chromosomes is the 4 How many chromosomes are in human gametes? 5 This is referred to as the number 6 Wa chicken's skin cell has 78 chromosomes, how many chromosomes would the chicken's sperm cell have? 7 How can we distinguish the 23 types of chromosomes...
11. 8. Consider the following pay-off matrix for social and solitary Solitary Social individuals. Social individuals...
11. 8. Consider the following pay-off matrix for social and solitary Solitary Social individuals. Social individuals clump with any other individual Solitary 69 around, regardless of whether the other individual is social or not. Social 57 The numbers represent the payoff to the focal individual who is defined by the row label. What strategy would a rational player adopt? a. Social b. A rational player should choose to be social only some of the time. C. A rational player should...
Please just do part C QUESTION 3 Male fireflies of the species Photinus ignitus attract females...
Please just do part C
QUESTION 3 Male fireflies of the species Photinus ignitus attract females with pulses of light. Flashes of longer duration seem to attract the most females During mating, the male transfers a spermatophore to the female. Besides containing sperm, the spermatophore is rich in protein that is distributed by the female to her fertilized eggs. The data below are measurements of spermatophore mass (in mg) of 35 males (Cratsley and Lewis 2003). 0 047. O 037,...
According to Robert Trivers, why are men generally larger and more physically aggressive than women? Because...
According to Robert Trivers, why are men generally larger and more physically aggressive than women? Because women are more reproductively “valuable” than men, hence competition for mates is fiercer among men Because men invest more heavily in reproduction than women Because men secrete more testosterone Trivers’ theory does not speculate on the origin of the sex difference in size and physical aggression Although some women are interested in casual sex (short-term mating), research has suggested that there are differences in...
need help with this .. From the pages 571-587 attached below. 1a) Suppose a population of...
need help with this ..
From the pages 571-587 attached below.
1a) Suppose a population of guppies was infected with a
parasite. In that population a mutation results in a parasite
resistant genotype that spreads through the population through
natural selection. A subsequent mutation in the parasite results in
a genotype that is unaffected by the newly evolved resistant guppy
genotype. What is the name of the hypothesis that explains this
host parasite “arms race”.?
1b) What is this name...
no explaination is needed 7. Which of the following is not a term used to describe...
no explaination is needed
7. Which of the following is not a term used to describe animal dispersion? a) Long distance b) Uniform c) Random d) Clumped 8. Population growth may be affected by a) predation but not competition. b) competition but not predation. c) competition and predation. d) neither competition nor predation 9. Batesian mimicry is when a) a harmless species imitates a harmful species b) two or more unpalatable species mimic cach other. c) a harmful species imitates...
The sharpest rise in teenage smoking is among: Select one: a. African American females b. Caucasian...
The sharpest rise in teenage smoking is among: Select one: a. African American females b. Caucasian males c. African American males d. Caucasian females Question 2Not yet answeredPoints out of 1.00 Not flaggedFlag question Question text What percentage of adults in the U.S. drink alcohol? Select one: a. 75% b. 67% c. 30% d. 80% Question 3Not yet answeredPoints out of 1.00 Not flaggedFlag question Question text The same poisonous gas emitted from motor vehicles and cigarettes is: Select one:...
Answer the following questions: (This is one full assignment) A city of 45,346 people is having...
Answer the following questions: (This is one full assignment) A city of 45,346 people is having an outbreak of salmonella. If 296 males have contracted salmonella and 567 females have contracted salmonella in the past month, calculate the following: With respect to salmonella poisoning, calculate the sex ratio of infection. Calculate the proportion of male to female salmonella cases. Calculate the percentage of male and female salmonella cases. Use the table below to answer the following questions: Total Injuries Fatal...
Observation: Sex Chromosome Anomalies A female with Turner syndrome (XO) has only one sex chromosome, an X chromosome; the O signifies the absence of the second sex chromosome. Because the ovaries never become functional, these females do not undergo puberty or menstruation, and their breasts do not develop. Generally, females with Turner syndrome have a short build, folds of skin on the back of the neck, difficulty recognizing various spatial patterns, and normal intelligence. With hormone supplements, they can lead...
Check Your Understanding 3.1 1 What are chromosomes made of? number 2 How many chromosomes are in a human somatic cell? 46 chromosomes 3 The term used to refer to this full complement of chromosomes is the 4 How many chromosomes are in human gametes? 5 This is referred to as the number 6 Wa chicken's skin cell has 78 chromosomes, how many chromosomes would the chicken's sperm cell have? 7 How can we distinguish the 23 types of chromosomes...
11. 8. Consider the following pay-off matrix for social and solitary Solitary Social individuals. Social individuals clump with any other individual Solitary 69 around, regardless of whether the other individual is social or not. Social 57 The numbers represent the payoff to the focal individual who is defined by the row label. What strategy would a rational player adopt? a. Social b. A rational player should choose to be social only some of the time. C. A rational player should...
Please just do part C
QUESTION 3 Male fireflies of the species Photinus ignitus attract females with pulses of light. Flashes of longer duration seem to attract the most females During mating, the male transfers a spermatophore to the female. Besides containing sperm, the spermatophore is rich in protein that is distributed by the female to her fertilized eggs. The data below are measurements of spermatophore mass (in mg) of 35 males (Cratsley and Lewis 2003). 0 047. O 037,...
need help with this ..
From the pages 571-587 attached below.
1a) Suppose a population of guppies was infected with a
parasite. In that population a mutation results in a parasite
resistant genotype that spreads through the population through
natural selection. A subsequent mutation in the parasite results in
a genotype that is unaffected by the newly evolved resistant guppy
genotype. What is the name of the hypothesis that explains this
host parasite “arms race”.?
1b) What is this name...
no explaination is needed
7. Which of the following is not a term used to describe animal dispersion? a) Long distance b) Uniform c) Random d) Clumped 8. Population growth may be affected by a) predation but not competition. b) competition but not predation. c) competition and predation. d) neither competition nor predation 9. Batesian mimicry is when a) a harmless species imitates a harmful species b) two or more unpalatable species mimic cach other. c) a harmful species imitates...
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