The cross between heterozygous yellow seeded plant and green seeded plant will produce 50% yellow seeded plants and 50% green seeded plants. Hence, option A is the correct answer.
What is the correct ratio of the offspring with yellow seed and with green seed?
When counting all four possible outcomes, there is a 3 in 4 probability of offspring having the yellow phenotype and a 1 in 4 probability of offspring having the green phenotype. This explains why the results of Mendel’s F2 generation occurred in a 3:1 phenotypic ratio.
What is the probability of peas that have a yellow phenotype?
Since the Y (yellow) allele is dominant over the G (green) allele for pea plants, 100% of the YG offspring will have a yellow phenotype, as Mendel observed in his breeding experiments.
Could two yellow pea plants produce green offspring?
The short answer is no, the heterozygous pea plant in question will only have yellow seeds. However, the offspring that might result from selfing this plant could have green or yellow seeds — but each one will have only one seed color, never a mix. Let’s dig into why this is!
What is the probability that the offspring will have green seed color?
F1 generation: Since green seed color is recessive, there is a 0% probability that any plants in the F1 generation will have green, round seeds.
What is the probability to produce garden pea plants that are homozygous for yellow seed color?
The cross between heterozygous yellow seeded plant and green seeded plant will produce 50% yellow seeded plants and 50% green seeded plants.
Which seed colour is dominant yellow or green?
For the seed colour, yellow is the dominant trait and green is recessive while for the fruit (pod) colour, green is dominant and yellow is recessive.
What would be the genotype of the offspring of a yellow pea GG with a green pea GG?
The cross between a green pea plant (Gg) and a yellow pea plant (gg) is shown below: From the cross, we can see that the possible genotypes are green and yellow. 50% of the offspring will have a Gg phenotype and 50% will have gg phenotype.
How do you calculate probability in genetics?
One probability rule that’s very useful in genetics is the product rule, which states that the probability of two (or more) independent events occurring together can be calculated by multiplying the individual probabilities of the events.
What is the genotype of pea plant with yellow pods?
Complete answer:
A pea plant with yellow round seeds is crossed with another plant with green wrinkled seeds. The genotype of yellow round seeds is YYRR and the genotype of green wrinkled seeds is yyrr.
What percentage of the offspring will be green?
Therefore, in a cross between one parent who is heterozygous for the dominant green trait and one who is homozygous for the recessive yellow trait, the probability that the offspring will have a green pod is 50 percent.
What is the dominant color of a pea plant?
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| Trait | Dominant Expression | Recessive Expression |
|---|---|---|
| Color of seed albumen (Y) | Yellow | Green |
| Color of flower (P) | Purple | White |
| Form of ripe pods (I) | Inflated | Constricted |
| Color of unripe pods (G) | Green | Yellow |
What kinds of gametes will be produced by a pea plant with yellow round seeds that has the genotype YyRr?
F1 generation: The F1 dihybrid seeds are yellow and round, with a genotype of YyRr. The F1 plants can produce four different types of gametes: YR, Yr, yR, and yr.
When pure breeding yellow seed and green seed pea plants are crossed what is the dominant to recessive ratio in the F2 generation?
The phenotypic ratio for F2 generations in a dihybrid cross between purebred round yellow seed pea plants and wrinkled green seed pea plants is 9:3:3:1.
When a true-breeding yellow seeded pea plant is crossed with a true-breeding green seeded pea plant the F1 offspring all have which phenotype?
When a true breeding pea plant that produces green seeds is pollinated by a true breeding pea plant that produces yellow seeds, all the F1 plants have yellow seeds. This means that the allele for yellow is. No worries!
How many F2 offspring had yellow seeds how many had green seeds?
Mendel observed that the F2 progeny of his dihybrid cross had a 9:3:3:1 ratio and produced nine plants with round, yellow seeds, three plants with round, green seeds, three plants with wrinkled, yellow seeds and one plant with wrinkled, green seeds.
What is the ratio of genotypes produced in the example of crossing a heterozygous yellow pea with another heterozygous pea?
The genotypic ratio is 1: 2: 1 (YY- 1, Yy-2 and yy-1).
What are the chances of the offspring being heterozygous for both seed shape and seed color?
Answer and Explanation: The pea plant is heterozygous for both seed shape and color, therefore, its genotype is SsYy. The possible gametes it can produce are SY, Sy, sY, and ss and each has an equal chance (25%) of being given by the pea plant to its offspring.
Which procedure can be used to determine if a plant that produces yellow seeds homozygous or heterozygous?
A Punnett square can be used to predict genotypes (allele combinations) and phenotypes (observable traits) of offspring from genetic crosses. A test cross can be used to determine whether an organism with a dominant phenotype is homozygous or heterozygous.
Why are peas green if yellow is dominant?
There is a gene that determines the color of the peas the plant will produce. Genes can come in different versions. The pea “color” gene comes in a yellow version (Y) and a green version (y). Just like us, pea plants have two copies of most of their genes.
What is the genotype of yellow coloured parent?
A ratio of 1 : 1 is possible when the parent plant producing yellow seeds is heterozygous dominant (Yy). Q. A monohybrid cross is conducted in which a pea plant that produces yellow coloured seeds was crossed with a pea plant that produces green coloured seeds.