Describe the general pattern found in most species with respect to the variance in reproductive success between individuals when comparing males versus females. What causes this difference in variance?

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teacherrecoLv10

2 Aug 2023

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Jamar FerryLv2

27 Feb 2018

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Related questions

1.Why would you predict that females in species with internal fertilization and long periods of gestation would be choosier in selecting their mates than females in other species that lack these traits?

2.As we talked about in elephant seals, in many species, there is much greater variance in male reproductive success than in female reproductive success. This could result from a few dominant males controlling the access to the breeding grounds the females need to give birth. There are other ways, however, to get the same pattern of variance in male reproductive success WITHOUT males controlling access to a resource or to females. How might you get the same variance in male reproductive success via intersexual selection?

1. Assume that a particular genetic condition in amammalian species causes an inability to digest starch. Thisdisorder occurs with equal frequency in males and females. In mostcases, neither parent of affected offspring has thedisorder.

a. Describe the most probably pattern of inheritancefor this disorder. Explain your reasoning.

b. In the Punnett square provided, enter a samplecross that verifies the pattern you proposed in part aabove.

c. Explain how mutation could cause this inability todigest starch (hint: genes, enzymes).

jadehedgehog412

1.) Meiosis is an importance component of cell cycle.

a.) Describe how this process varies from mitosis with respect to chromosome number and genetic diversity. Use appropriate terminology.

b.) Describe where, how and why offspring obtain genetic variation with respect to these processes.

c.) X and Y are considered heteromophic. Describe how they interact during meiosis and explain what events transpire to maintain equal gene dosage between male and females in the same species.

d.) Gametogenesis differs slightly between males and females. Describe a major similarity and a major difference in this process between the sexes.