Chapter 5.4, Problem 36AQP

a.

Summary Introduction

To determine:

The phenotype and it expected proportion for the cross $B^{+}{B}^{b}Ww\text{male}\times B^{+}{B}^{b}Ww\text{female}$

Explanation of Solution

$\begin{array}{l}{B}^{+}{B}^{b}Ww\text{male}\times B^{+}{B}^{b}Ww\text{female}\\ \downarrow \end{array}$

	$B^{+}W$	$B^{+}w$	$B^{b}W$	$B^{b}w$
$B^{+}W$	$B^{+}{B}^{+}WW$	$B^{+}{B}^{+}Ww$	$B^{+}{B}^{b}WW$	$B^{+}{B}^{b}Ww$
$B^{+}w$	$B^{+}{B}^{+}Ww$	$B^{+}{B}^{+}ww$	$B^{+}{B}^{b}Ww$	$B^{+}{B}^{b}ww$
$B^{b}W$	$B^{+}{B}^{b}WW$	$B^{+}{B}^{b}Ww$	$B^b{B}^{b}WW$	$B^b{B}^{b}Ww$
$B^{b}w$	$B^{+}{B}^{b}Ww$	$B^{+}{B}^{b}ww$	$B^b{B}^{b}Ww$	$B^b{B}^{b}ww$

Phenotypic ration in goat male are given as follows;

Bearded and black: $9/16$

Bearded and white: $3/16$

Beardless and black: $3/16$

Beardless and white: $1/16$

Ratio of phenotype in male goat; $9:3:3:1$

Phenotypic ration in goat female are given as follows;

Bearded and black: $3/16$

Bearded and white: $1/16$

Beardless and black: $9/16$

Beardless and white: $3/16$

Ratio of phenotype in female goat; $9:3:3:1$

b.

Summary Introduction

To determine:

The phenotype and it expected proportion for the cross $B^{+}{B}^{b}Ww\text{male}\times B^{+}{B}^{b}ww\text{female}$

Explanation of Solution

$\begin{array}{l}{B}^{+}{B}^{b}Ww\text{male}\times B^{+}{B}^{b}ww\text{female}\\ \downarrow \end{array}$

	$B^{+}W$	$B^{+}w$	$B^{b}W$	$B^{b}w$
$B^{+}w$	$B^{+}{B}^{+}Ww$	$B^{+}{B}^{+}ww$	$B^{+}{B}^{b}Ww$	$B^{+}{B}^{b}ww$
$B^{+}w$	$B^{+}{B}^{+}Ww$	$B^{+}{B}^{+}ww$	$B^{+}{B}^{b}Ww$	$B^{+}{B}^{b}ww$
$B^{b}w$	$B^{+}{B}^{b}Ww$	$B^{+}{B}^{b}ww$	$B^b{B}^{b}Ww$	$B^b{B}^{b}ww$
$B^{b}w$	$B^{+}{B}^{b}Ww$	$B^{+}{B}^{b}ww$	$B^b{B}^{b}Ww$	$B^b{B}^{b}ww$

Phenotypic ration in goat male are given as follows;

Bearded and black : $6/16$

Bearded and white : $6/16$

Beardless and black : $2/16$

Beardless and white: $2/16$

Ratio of phenotype in male goat; $3:3:1:1$

Phenotypic ration in goat female are given as follows;

Bearded and black : $6/16$

Bearded and white : $6/16$

Beardless and black : $2/16$

Beardless and white: $2/16$

Ratio of phenotype in female goat; $3:3:1:1$

c.

Summary Introduction

To determine:

The phenotype and it expected proportion for the cross $B^{+}{B}^{+}Ww\text{male}\times B^b{B}^{b}Ww\text{female}$

Explanation of Solution

$\begin{array}{l}{B}^{+}{B}^{+}Ww\text{male}\times B^b{B}^{b}Ww\text{female}\\ \downarrow \end{array}$

	$B^{+}W$	$B^{+}w$	$B^{+}W$	$B^{+}w$
$B^{b}W$	$B^{+}{B}^{b}WW$	$B^{+}{B}^{b}ww$	$B^{+}{B}^{b}WW$	$B^{+}{B}^{b}Ww$
$B^{b}w$	$B^{+}{B}^{b}Ww$	$B^{+}{B}^{b}ww$	$B^{+}{B}^{b}Ww$	$B^{+}{B}^{b}ww$
$B^{b}W$	$B^{+}{B}^{b}WW$	$B^{+}{B}^{b}Ww$	$B^{+}{B}^{b}WW$	$B^{+}{B}^{b}Ww$
$B^{b}w$	$B^{+}{B}^{b}Ww$	$B^{+}{B}^{b}ww$	$B^{+}{B}^{b}Ww$	$B^{+}{B}^{b}ww$

Phenotypic ration in goat male are given as follows;

Bearded and black: $12/16$

Bearded and white: $4/16$

Ratio of phenotype in male goat; $3:1$

Phenotypic ration in goat female are given as follows;

Bearded and black: $12/16$

Bearded and white: $4/16$

Ratio of phenotype in female goat; $3:1$

d.

Summary Introduction

To determine:

The phenotype and it expected proportion for the cross $B^{+}{B}^{b}Ww\text{male}\times B^b{B}^{b}ww\text{female}$

Explanation of Solution

$\begin{array}{l}{B}^{+}{B}^{b}Ww\text{male}\times B^b{B}^{b}ww\text{female}\\ \downarrow \end{array}$

	$B^{+}W$	$B^{+}w$	$B^{b}W$	$B^{b}w$
$B^{b}w$	$B^{+}{B}^{b}Ww$	$B^{+}{B}^{b}ww$	$B^b{B}^{b}Ww$	$B^b{B}^{b}ww$
$B^{b}w$	$B^{+}{B}^{b}Ww$	$B^{+}{B}^{b}ww$	$B^b{B}^{b}Ww$	$B^b{B}^{b}ww$
$B^{b}w$	$B^{+}{B}^{b}Ww$	$B^{+}{B}^{b}ww$	$B^b{B}^{b}Ww$	$B^b{B}^{b}ww$
$B^{b}w$	$B^{+}{B}^{b}Ww$	$B^{+}{B}^{b}ww$	$B^b{B}^{b}Ww$	$B^b{B}^{b}ww$

Phenotypic ration in goat male are given as follows;

Bearded and black: $8/16$

Bearded and white: $8/16$

Ratio of phenotype in male goat; $1:1$

Phenotypic ration in goat female are given as follows;

Bearded and black: $4/16$

Bearded and white: $4/16$

Beardless and black: $4/16$

Beardless and white: $4/16$

Ratio of phenotype in female goat; $1:1:1:1$

Conclusion

The expected proportion for the crosses; $B^{+}{B}^{b}Ww\text{male}\times B^{+}{B}^{b}Ww\text{female}$; is in male goat $9:3:3:1$ and in female goat is $9:3:3:1$: in cross $B^{+}{B}^{b}Ww\text{male}\times B^{+}{B}^{b}ww\text{female}$ ; in male goat is $3:3:1:1$, in female goat is $3:3:1:1$: in cross $B^{+}{B}^{+}Ww\text{male}\times B^b{B}^{b}Ww\text{female}$; in male goat is $3:1$ and in female goat is $3:1$, and  in cross $B^{+}{B}^{b}Ww\text{male}\times B^b{B}^{b}ww\text{female}$; in male goat is $1:1$ in female goat is $1:1:1:1$ .