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lemonshark19Lv1
28 Sep 2019
Phenotype
Dominant alleles
Recessive alleles
Nose Shape*
Pointy (N)
Flat (n)
Ear Shape*
Upright (E)
Floppy (e)
Fur Color
Black (B)
Brown (b), Yellow (bâ), White (bââ)**
Hair length
Long (H)
Short (h)
*Note: Nose shape and Ear shape are linked genes on the same chromosome
Phenotypes of two dogs:
Lisa is a long-haired dog with upright ears, and a pointy nose.
Lisa's mother is a short-haired dog with upright ears and a pointy nose.
Lisa's father has long hair, floppy ears, and a flat nose.
Jake is a long-haired dog with floppy ears, and a flat nose.
Jake's mom is short-haired, with upright ears, and a pointy nose.
QUESTION:
Draw Lisa and Jake's chromosomes before the first meiotic division.
Phenotype | Dominant alleles | Recessive alleles |
Nose Shape* | Pointy (N) | Flat (n) |
Ear Shape* | Upright (E) | Floppy (e) |
Fur Color | Black (B) | Brown (b), Yellow (bâ), White (bââ)** |
Hair length | Long (H) | Short (h) |
*Note: Nose shape and Ear shape are linked genes on the same chromosome
Phenotypes of two dogs:
Lisa is a long-haired dog with upright ears, and a pointy nose.
Lisa's mother is a short-haired dog with upright ears and a pointy nose.
Lisa's father has long hair, floppy ears, and a flat nose.
Jake is a long-haired dog with floppy ears, and a flat nose.
Jake's mom is short-haired, with upright ears, and a pointy nose.
QUESTION:
Draw Lisa and Jake's chromosomes before the first meiotic division.
8 Apr 2023
Beverley SmithLv2
28 Sep 2019
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