Question

In mice, the green eye gene (g) are on the same chromosome as the long tail gene (I). The dominant alleles are brown eyes (G) and short tail (L) You take a mouse that has green eyes and a short tail and cross it to one that has brown eyes and a long tail. (1) Draw what the chromosomes of an offspring of this cross will look like at prophase 1 of meiosis before crossing over has taken place. You can use a drawing program like kleki.com which will allow you to do free style drawing or you can use a program like powerpoint or Corel draw to make this. Upload the image file or powerpoint file into the assignment folder. You can also hand draw and photograph or scan your drawing. Indicate the alleles on your image. (2) Suppose crossing over has occurred between those genes. Draw one recombinant chromosome at the end of meiosis 2. Indicate the alleles. (3) You take an offspring of the cross between the mice and cross it to a mouse that has green eyes and a long tail. You get the following offspring 17 mice with green eyes and short tails 15 mice with brown eyes and long tails 2 mice with green eyes and long tails 1 mouse with brown eyes and short tails Which mice are recombinant? What is the recombination distance?

          In mice, the green eye gene (g) are on the same chromosome as the long tail gene (I). The dominant
alleles are brown eyes (G) and short tail (L)
You take a mouse that has green eyes and a short tail and cross it to one that has brown eyes and a
long tail.
(1) Draw what the chromosomes of an offspring of this cross will look like at prophase 1 of meiosis
before crossing over has taken place. You can use a drawing program like kleki.com which will allow
you to do free style drawing or you can use a program like powerpoint or Corel draw to make this.
Upload the image file or powerpoint file into the assignment folder. You can also hand draw and
photograph or scan your drawing. Indicate the alleles on your image.
(2) Suppose crossing over has occurred between those genes. Draw one recombinant chromosome
at the end of meiosis 2. Indicate the alleles.
(3) You take an offspring of the cross between the mice and cross it to a mouse that has green eyes
and a long tail. You get the following offspring
17 mice with green eyes and short tails
15 mice with brown eyes and long tails
2 mice with green eyes and long tails
1 mouse with brown eyes and short tails
Which mice are recombinant? What is the recombination distance?

In mice, the green eye gene (g) are on the same chromosome as the long tail gene (I). The dominant
alleles are brown eyes (G) and short tail (L)
You take a mouse that has green eyes and a short tail and cross it to one that has brown eyes and a
long tail.
(1) Draw what the chromosomes of an offspring of this cross will look like at prophase 1 of meiosis
before crossing over has taken place. You can use a drawing program like kleki.com which will allow
you to do free style drawing or you can use a program like powerpoint or Corel draw to make this.
Upload the image file or powerpoint file into the assignment folder. You can also hand draw and
photograph or scan your drawing. Indicate the alleles on your image.
(2) Suppose crossing over has occurred between those genes. Draw one recombinant chromosome
at the end of meiosis 2. Indicate the alleles.
(3) You take an offspring of the cross between the mice and cross it to a mouse that has green eyes
and a long tail. You get the following offspring
17 mice with green eyes and short tails
15 mice with brown eyes and long tails
2 mice with green eyes and long tails
1 mouse with brown eyes and short tails
Which mice are recombinant? What is the recombination distance?

Added by Elizabeth B.

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