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A homozygous recessive as male parent
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∙ 12y ago
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∙ 13y agohomozygous
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What is genotype of the plant with colored seed and normal strach you used in the test cross?
Homozygous recessive; if 'r' stands for color of the seed and 's' for normal starch, then the genotype of this plant used in a test cross will be ( rrss ).
When trying to find an unknown genotype you must perform a?
Perform a test cross. Cross the organism with an organism with a homozygous recessive genotype and use the phenotypes of the offspring and a Punnett square to figure out the unknown genotype.
You perform a test cross on a tall pea plant half the offspring are short what conclusion can you draw from this outcome?
The genotype of the tall pea plant is heterozygous
In a dihybrid cross between individual with the genotype RRYYand an individual with the genotype rryy all of the offspring with have the genotype?
RrYy
Yy is the what of an individual?
A cross involving only one trait is a ? Cross
What is genotype of the plant with colored seed and normal strach you used in the test cross?
Homozygous recessive; if 'r' stands for color of the seed and 's' for normal starch, then the genotype of this plant used in a test cross will be ( rrss ).
What is the important of test cross?
to determine the unknown genotype.
The mating of an individual of unknown genotype with one that is homozygous recessive in order to determine the unknown genotype is a?
Test Cross.
How can the unknown genotype of an individual with a dominate phenotype be determined?
A test cross.
When trying to find an unknown genotype you must perform a?
Perform a test cross. Cross the organism with an organism with a homozygous recessive genotype and use the phenotypes of the offspring and a Punnett square to figure out the unknown genotype.
What is the procedure in witch an individual of unknown genotype is crossed with a homozygous recessive individual to determine the genotype of the unknown individual is called?
this procedure is generally called a test cross and is used in the agricultural and pet industries lots.
What is a testcross?
Gregor Mendel devised the fundamental tool of the test cross. It is an experimental cross of an individual organism of dominant phenotype but unknown genotype and an organism with a homozygous recessive genotype .
What is the name for a cross between an individual of unknown genotype and a homozygous recessive?
A cross between a homozygous recessive and an individual of unknown genotype is called a test cross.The homozygous recessive can only pass on a recessive allele to the offspring, and so any recessive in the other parent will show up in the phenotype (detectable characteristics) of some of the offspring.
How can a test cross reveal the genotype of a parent whose phenotype is dominant?
Try using a Punnett Square.
To perform a testcross scientists cross an organism with an unknown genotype with a organism.?
If an individual is of the dominant phenotype, its genotype can be either AA or Aa (letter A picked for demonstration's sake). To do a good test cross, we have to be able to unambiguously tell which one of the genotypes the individual is. The best test cross would be conducted with a homozygous recessive (aa) individual. This way, if the cross generates 100% dominant phenotype, then the original individual was homozygous dominant. If the cross generates 50% dominant and 50% recessive phenotype, then the original individual was heterozygous.
You perform a test cross on a tall pea plant half the offspring are short what conclusion can you draw from this outcome?
The genotype of the tall pea plant is heterozygous
When would a pedigree be better to use to deterimine the genotype of an individual instead of a testcross?
n genetics, a test cross, first introduced by Gregor Mendel, is used to determine if an individual exhibiting a dominant trait is homozygous or heterozygous for that trait. More simply put, test crosses determine the genotype of an individual with a dominant phenotype.
