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In a certain species of pine trees, short needles (S) are dominant to long needles (s). If you cross a long-needled plant with a heterozygous short-needled plant, what will be the genotype ratios of your offspring?
50% short and 50% long
Heterozygous red (Rr) and Heterozygous red (Rr)
0%
100
50%
50
75
0
In a certain species of plant, red flowers (R) are dominant to white flowers (r). You have crossed two red-flowered plants, but you don't know their genotypes. If you get 75% red offspring and 25% white offspring, the parents were...
50% short and 50% long
Heterozygous red (Rr) and Heterozygous red (Rr)
0%
100
50%
50
75
0
In cats, long hair (L) is dominant over short hair (l). If a homozygous, long haired cat is crossed with a homozygous, short haired cat, what is the probability of one of their offspring having short hair?
50% short and 50% long
Heterozygous red (Rr) and Heterozygous red (Rr)
0%
100
50%
50
75
0
In cats, long hair (L) is dominant over short hair (l). If a heterozygous, long haired cat is crossed with a homozygous, short haired cat, what is the probability of one of their offspring having long hair?
50% short and 50% long
Heterozygous red (Rr) and Heterozygous red (Rr)
0%
100
50%
50
75
0
In guinea pigs, black fur (B) is dominant to white fur (b). If you cross two guinea pigs with heterozygous black fur, what is the probability of getting black offspring?
50% short and 50% long
Heterozygous red (Rr) and Heterozygous red (Rr)
0%
100
50%
50
75
0
In cats, long hair (L) is dominant over short hair (l). If a heterozygous, long haired cat is crossed with a homozygous, long haired cat, what is the probability of one of their offspring having long hair?
50% short and 50% long
Heterozygous red (Rr) and Heterozygous red (Rr)
0%
100
50%
50
75
0
In guinea pigs, black fur (B) is dominant to white fur (b). If you cross two guinea pigs with homozygous white fur, what is the probability of getting black offspring?
50% short and 50% long
Heterozygous red (Rr) and Heterozygous red (Rr)
0%
100
50%
50
75
0
One flower is heterozygous red (Rr) and it is crossed with a homozygous white (rr) plant. Use a Punnet square to determine the probability of one of their offspring having a white color.
50% short and 50% long
Heterozygous red (Rr) and Heterozygous red (Rr)
0%
100
50%
50
75
0
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