The definition of the following terms: Capacitation Acrosome reaction Polyspermy Morula Blastocyst Inner cell mass Implantation Placenta Chorion Chorionic villi Amniotic fluid Umbilical cord Introduction: In the multicellular organism, reproduction is the process used for the continuity of species. In the female reproductive system, the series of changes take place in the ovary and uterus. These phases are known as the ovarian cycle and uterus cycle.

Question

Three of the many recessive mutations in Drosophila melanogaster that affect body color, wing shape, or bristle morphology are black (b) body versus grey in wild type, dumpy (dp), obliquely truncated wings versus long wings in the male, and hooked (hk) bristles versus not hooked in the wild type. From a cross of a dumpy female with a black and hooked male, all of the F1 were wild type for all three of the characters. The testcross of an F1 female with a dumpy, black, hooked male gave the following results: Trait Number of individuals Wild type 169 Black 19 Black, hooked 301 Dumpy, hooked 21 Hooked, dumpy, black 172 Dumpy, black 6 Dumpy 305 Hooked 8 Determine the order of the genes and the mapping distance between genes. Determine the coefficient of confidence for the portion of the chromosome involved in the cross. How much interference takes place in the cross?

Answer 1

Question

Chapter 22.4, Problem 22.5.1QC

Summary Introduction

To write:

The definition of the following terms:

Capacitation

Acrosome reaction

Polyspermy

Morula

Blastocyst

Inner cell mass

Implantation

Placenta

Chorion

Chorionic villi

Amniotic fluid

Umbilical cord

Introduction:

In the multicellular organism, reproduction is the process used for the continuity of species. In the female reproductive system, the series of changes take place in the ovary and uterus. These phases are known as the ovarian cycle and uterus cycle.

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Three of the many recessive mutations in Drosophila melanogaster that affect body color, wing shape, or bristle morphology are black (b) body versus grey in wild type, dumpy (dp), obliquely truncated wings versus long wings in the male, and hooked (hk) bristles versus not hooked in the wild type. From a cross of a dumpy female with a black and hooked male, all of the F1 were wild type for all three of the characters. The testcross of an F1 female with a dumpy, black, hooked male gave the following results: Trait Number of individuals Wild type 169 Black 19 Black, hooked 301 Dumpy, hooked 21 Hooked, dumpy, black 172 Dumpy, black 6 Dumpy 305 Hooked 8 Determine the order of the genes and the mapping distance between genes. Determine the coefficient of confidence for the portion of the chromosome involved in the cross. How much interference takes place in the cross?

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