BIO 1408/09 LAB
BIO 1408/09 LAB
18th Edition
ISBN: 9781307081701
Author: Mader
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 10.1, Problem 4A
Summary Introduction

(a)

To determine:

The types of gamete have formed from the male parent having genotype TTGG.

Expert Solution
Check Mark

Answer to Problem 4A

Only one type of gamete is formed from the genotype TTGG; is TG.

Explanation of Solution

The separation of alleles during gamete formation and new random combination;

TT
GTGTG
GTGTG
Summary Introduction

(b)

To determine:

The types of gamete have formed from the male parent having genotype ttgg.

Expert Solution
Check Mark

Answer to Problem 4A

Only one type of gamete is formed from the genotype ttgg; is tg.

Explanation of Solution

The separation of alleles during gamete formation and new random combination;

tt
gtgtg
gtgtg
Summary Introduction

(c)

To determine:

The genotype of F1 generation, when all plants are tall.

Expert Solution
Check Mark

Answer to Problem 4A

In F1 generation all plants have tall phenotype in response to genotype of TtGg .

Explanation of Solution

The fertilization by gametes and formation and new random combination of genotype in zygotes in F1 generation;

tgtg
TGTtGgTtGg
TGTtGgTtGg
Summary Introduction

(d)

To determine:

The genotype of Zygote which is formed by the fertilization of two gametes with TG and TG from male and female plants.

Expert Solution
Check Mark

Answer to Problem 4A

In F2 generation, when the gametes with TG and TG from male and female plant will merge during fertilization the resultant zygotes have genotype TTGG .

Explanation of Solution

The fertilization by gametes having genotype of TG and TG results formation and new random combination of genotype in zygotes in F2 generation;

TGTG
TGTTGGTTGG
TGTTGGTTGG
Summary Introduction

(e)

To determine:

The genotype of Zygote which is formed by the fertilization of two gametes with TG and tg from male and female plants.

Expert Solution
Check Mark

Answer to Problem 4A

In F2 generation, when the gametes with TG and tg from male and female plant will merge during fertilization the resultant zygotes have genotype TtGg .

Explanation of Solution

The fertilization by gametes having genotype of TG and tg results formation and new random combination of genotype in zygotes in F2 generation

tgtg
TGTtGgTtGg
TGTtGgTtGg
Summary Introduction

(f)

To determine:

The genotype of Zygote which is formed by the fertilization of two gametes with Tg and Tg from male and female plants.

Expert Solution
Check Mark

Answer to Problem 4A

In F2 generation, when the gametes with Tg and Tg from male and female plant will merge during fertilization the resultant zygotes have genotype TTgg .

Explanation of Solution

The fertilization by gametes having genotype of Tg and Tg results formation and new random combination of genotype in zygotes in F2 generation.

TgTg
TgTTggTTgg
TgTTggTTgg
Summary Introduction

(g)

To determine:

The genotype of Zygote which is formed by the fertilization of two gametes with Tg and tg from male and female plants.

Expert Solution
Check Mark

Answer to Problem 4A

In F2 generation, when the gametes with Tg and tg from male and female plant will merge during fertilization the resultant zygotes have genotype Ttgg .

Explanation of Solution

The fertilization by gametes having genotype of Tg and tg results formation and new random combination of genotype in zygotes in F2 generation

tgtg
TgTtggTtgg
TgTtggTtgg
Summary Introduction

(h)

To determine:

The genotype of Zygote which is formed by the fertilization of two gametes with tG and TG from male and female plants.

Expert Solution
Check Mark

Answer to Problem 4A

In F2 generation, when the gametes with tG and TG from male and female plant will merge during fertilization the resultant zygotes have genotype TtGG .

Explanation of Solution

The fertilization by gametes having genotype of tG and TG results formation and new random combination of genotype in zygotes in F2 generation;

TGTG
tGTtGGTtGG
tGTtGGTtGG
Summary Introduction

(i)

To determine:

The genotype of Zygote which is formed by the fertilization of two gametes with tG and tG from male and female plants.

Expert Solution
Check Mark

Answer to Problem 4A

In F2 generation, when the gametes with tG and tG from male and female plant will merge during fertilization the resultant zygotes have genotype ttGG .

Explanation of Solution

The fertilization by gametes having genotype of tG and tG results formation and new random combination of genotype in zygotes in F2 generation;

tGtG
tGttGGttGG
tGttGGttGG
Summary Introduction

(j)

To determine:

The genotype of Zygote which is formed by the fertilization of two gametes with tg and TG from male and female plants.

Expert Solution
Check Mark

Answer to Problem 4A

In F2 generation, when the gametes with tg and TG from male and female plant will merge during fertilization the resultant zygotes have genotype TtGg .

Explanation of Solution

The fertilization by gametes having genotype of tg and TG results formation and new random combination of genotype in zygotes in F2 generation

TGTG
tgTtGgTtGg
tgTtGgTtGg
Summary Introduction

(k)

To determine:

The genotype of Zygote which is formed by the fertilization of two gametes with tg and tG from male and female plants.

Expert Solution
Check Mark

Answer to Problem 4A

In F2 generation, when the gametes with tg and tG from male and female plant will merge during fertilization the resultant zygotes have genotype ttGg .

Explanation of Solution

The fertilization by gametes having genotype of tg and tG results formation and new random combination of genotype in zygotes in F2 generation;

tGtG
tgttGgttGg
tgttGgttGg
Summary Introduction

(l)

To determine:

The genotype of Zygote which is formed by the fertilization of two gametes with tg and tg from male and female plants.

Expert Solution
Check Mark

Answer to Problem 4A

In F2 generation, when the gametes with tg and tg from male and female plant will merge during fertilization the resultant zygotes have genotype ttgg .

Explanation of Solution

The fertilization by gametes having genotype of tg and tg results formation and new random combination of genotype in zygotes in F2 generation;

tgtg
tgttggttgg
tgttggttgg
Conclusion

A male plant with genotype TTGG, producing the gametes (a) TG is crossed with a female plant having genotype ttgg; producing gametes (b) tg, the merger of their gametes at the of fertilization will results in all tall plants with genotype (c) TtGg. When plant from F1 generation is self crossed they will produce the gametes and offsprings of following genotypes;

TGTgtGtg
TG(d) TTGGTTGgTtGG(e) TtGg
TgTTGg(f) TTggTtGg(g) Ttgg
tG(h) TtGGTtGg(i) ttGGttGg
tg(j) TtGgTtgg(k) ttGg(l) ttgg

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Generate one question that requires a Punnet Squre to solve the question. Then show how you calculate the possibilities of genotype and phenotype

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BIO 1408/09 LAB

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