In pea plants, round peas (R) are dominant to wrinkled peas (r). You do a test cross between a pea plant with wrinkled peas (genotype rr) and a plant of unknown genotype that has round peas.
Which pea is dominant?
As per Mendel’s findings, smooth peas are dominant texturally, and wrinkled pods are recessive. A yellow seed albumen is dominant, and a green seed albumen is recessive.
Is Round seed a dominant trait?
Round seed trait (R) is dominant over wrinkled (r) seed trait in Pea. Heterozygous round seeded plant (Rr) is crossed with wrinkled seeded plant (rr).
Is Round seed shape dominant or recessive?
dominant trait
Hence, the correct answer is ‘Round seeds is the dominant trait‘
What is the genotype of a round pea?
Pure-bred round -yellow pea seeds have genotype RRYY and the pure-bred wrinkled-green pea seeds have genotype rryy. Keeping this in mind, write the phenotypes of the following genotypes of hybrid pea seeds.
Which of these is not a dominant trait of pea plant?
So, the correct option is ‘Pod colour – Yellow‘.
Are green peas dominant or recessive?
recessive
Mendel’s experiments showed that green is the recessive seed color in pea plants.
Which of the following is a recessive trait in pea plant?
green seed colour
Explanation: Mendel based his experiments on pea plants and studied seven pairs of contrasting traits. Yellow seed colour is the dominant trait and green seed colour is the recessive trait.
Which of the following is dominant trait?
Rh factor is a dominant character since one copy of gene is enough to express the trait.
Which among the following is a dominant trait exhibited in pea plant?
For pod color, there are two traits – green and yellow. Green pod color is dominant and yellow is recessive. The shape of the pod has two traits – inflated and constricted. Inflated pod traits are dominant.
Are wrinkled peas dominant or recessive?
Because the allele that produces wrinkled peas is recessive, the offspring of this cross will all have wrinkled peas. Mendel then explains the concept of dominant and recessive alleles by saying, “By performing my experiments with peas, I learned a lot about genetics and how traits are passed on.
What type of inheritance is shown when a round seed shape of pea plant is crossed with wrinkled?
Given an inheritance pattern of dominant–recessive, the genotypic and phenotypic ratios can then be determined. In pea plants, round peas (R) are dominant to wrinkled peas (r). You do a test cross between a pea plant with wrinkled peas (genotype rr) and a plant of unknown genotype that has round peas.
What are dominant recessive traits?
Dominant and recessive traits exist when a trait has two different forms at the gene level. The trait that first appears or is visibly expressed in the organism is called the dominant trait. The trait that is present at the gene level but is masked and does not show itself in the organism is called the recessive trait.
What is the probability of round offspring?
Since capital R = round and is dominant that means that RR and Rr will all be round seeds. That means that ¾ or 75% of the offspring produced will be round.
What is the genotype for a pea plant heterozygous for round seeds?
Rr
Since this pea plant is heterozygous for round shape, its genotype would be Rr.
What homozygous dominant?
An organism with two dominant alleles for a trait is said to have a homozygous dominant genotype. Using the eye color example, this genotype is written BB. An organism with one dominant allele and one recessive allele is said to have a heterozygous genotype.
Which one of the following is not a recessive character of a pea plant *?
Mendel worked on garden pea and choose seven characters for this. Green seed colour is the recessive character in his experiment and the dominant character for seed colour is yellow. Axial flower position, green pod colour and round seed shape are all dominant characters.
What is a dominant trait in plant?
Dominant traits are those that are inherited unchanged in a hybridization. Recessive traits become latent, or disappear, in the offspring of a hybridization. The recessive trait does, however, reappear in the progeny of the hybrid offspring. An example of a dominant trait is the violet-flower trait.
Why does Mendel choose pea plant?
Solution: Pea plants were chosen for Mendel’s experiments because they are easy to grow, have a short life period, and produce larger flowers. Pea plants are also self-pollinated.
Which seed color is dominant in pea plants?
Heterozygous yellow seeded plant is crossed with green seeded plant.
Which colour is dominant for pod colour in pea?
Green pod colour
Green pod colour is dominant over yellow pod colour in pea plants.
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