If Individual 5 mates with a homozygous recessive horse, which of the following is a valid prediction about the offspring?

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Achondroplasia is the most common form of dwarfism in
miniature horses. Achondroplasia dwarf horses have normal
sized bodies and heads, but noticeably smaller upper legs and
ears. This form of dwarfism is an autosomal dominant trait.
The pedigree shows the offspring of one horse without
dwarfism, Individual 1, and one with dwarfism, Individual 2. The
horses with achondroplasia are shorter.
1
2
Transcribed Image Text:Achondroplasia is the most common form of dwarfism in miniature horses. Achondroplasia dwarf horses have normal sized bodies and heads, but noticeably smaller upper legs and ears. This form of dwarfism is an autosomal dominant trait. The pedigree shows the offspring of one horse without dwarfism, Individual 1, and one with dwarfism, Individual 2. The horses with achondroplasia are shorter. 1 2
If Individual 5 mates with a homozygous recessive horse,
which of the following is a valid prediction about the offspring?
All of their offspring will be heterozygous
A
dwarf horses.
All of their offspring will be homozygous non-
B
dwarf horses.
Half of their offspring will be heterozygous
dwarf horses, and half of their offspring will
be homozygous dwarf horses.
Half of their offspring will be homozygous
recessive non-dwarf horses, and half of their
D
offspring will be homozygous dominant dwarf
horses.
Transcribed Image Text:If Individual 5 mates with a homozygous recessive horse, which of the following is a valid prediction about the offspring? All of their offspring will be heterozygous A dwarf horses. All of their offspring will be homozygous non- B dwarf horses. Half of their offspring will be heterozygous dwarf horses, and half of their offspring will be homozygous dwarf horses. Half of their offspring will be homozygous recessive non-dwarf horses, and half of their D offspring will be homozygous dominant dwarf horses.
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