bqnP16u_eU?feature=oembed » frameborder= »0″ allow= »accelerometer; autoplay; clipboard writing; encrypted media; gyroscope; picture-in-picture « allow fullscreen>

22 related questions found

When pure tall green pod plants are crossed with pure short yellow pod plants, what is the yield of 16 short plants in the F2 generation?

A cross between a pure tall pea plant with green pods and a dwarf pea plant with yellow pods will produce tall F2 Plants, a total of 16 species.

What is the difference between homozygous and heterozygous?

Heterozygotes are those who have inherited a different form of a particular gene from each parent.Heterozygous genotype with homozygous genotypewhere one person inherits the same form of a specific gene from each parent.

What are self-pollinating crops?

Self-pollination is a The form of pollination in which pollen from the same plant reaches the stigma (in flowering plants) or in the ovule (in gymnosperms). … the term self-pollination, often used as a synonym, is not limited to self-pollination, but also applies to other types of self-pollination.

Why are self-pollinating crops homozygous?

In homozygous autocompatible genotypes 100% of pollen grains have the potential to grow from their own pistilsso the rate of self-fertilization may be higher than that of heterozygous self-compatibility genotypes.

Do heterozygous plants contain both dominant and recessive alleles?

Full answer: According to the law of dominance, a trait is represented by two contrasting factors of genes called alleles in a heterozygous individual; only in this case, Dominant traits are expressed as dominant alleles mask expression of recessive alleleswhether or not both exist…

What does the appearance of the F2 generation dwarf plants indicate?

The reproduction of dwarf plants in the F2 generation showed that Recessive features are only expressed in the absence of dominant features. Dwarf plants are homozygous recessive alleles. When F1 plants are cross-fertilized, recessive traits manifest in the absence of dominant traits.

What is the product of a hybrid between a plant with round green RRyy seeds and a plant with wrinkled yellow RRyy seeds?

Two pea plants, one with round green seeds (RRyy) and the other with wrinkled yellow (rrYY) seeds F1 offspring Has round yellow (RrYy) seeds. When F1 plants are selfed, the F2 progeny will have the new combination of traits.

Assertion and justification when purebred tall plants are crossed with purebred dwarf plants?

Assertion: When purebred tall plants are crossed with purebred short plants, all plants in the F1 progeny are tall. When tall plants from F1 progeny were crossed, dwarf plants reappeared in F2 progeny. reason: Traits are inherited independently.

What are the disadvantages of self-pollination?

possible lead to weakening of the breed or variety Due to continuous self-pollination, the quality of offspring is affected. Defects or weaker traits of a breed or variety cannot be eliminated. Self-pollination does not produce new varieties, so there is less chance of improvement in the next generation.

What happens if a homozygous plant self-pollinates?

A second advantage of self-pollination is the maintenance of the genetic structure within the crop.Self-pollination results Divide the gene pool of crops into independent homozygous lines. Variation thus constitutes in the form of numerous true breeding varieties.

Are the offspring of a single self-pollinated plant homozygous?

pure line is the offspring of a single self-fertilizing homozygous plant.

How can you tell if a plant is self-pollinating?

self-pollination occurs When the pollen of an anther is deposited on the stigma of the same flower, or on another flower on the same plant. Cross-pollination is the transfer of pollen from the anthers of one flower to the stigma of another flower of a different individual of the same species.

Why is self-pollination bad?

Can self-pollinate or « self-cross » Harmful to plants, causing inbreeding and unhealthy offspring. This breakthrough could be used to grow stronger, more resilient crops faster and at a lower cost; new ways to find a safe and adequate food supply.

Which is not a self-pollinating crop?

dioecious plants

Both male and female plants must be present for pollination to occur. For these plants, self-pollination is physically impossible, so genetic diversity is guaranteed.

What is an example of heterozygosity?

If the two versions are different, you have a heterozygous genotype for that gene.For example, being heterozygous for hair color could mean you have One allele for red hair and one allele for brown hair. The relationship between two alleles affects the characteristics of expression.

Are humans homozygous or heterozygous?

Since humans have two copies of each chromosome, they also have two copies of each gene and locus on those chromosomes. Each of these trait-encoding genes (or loci) is called an allele. …if the alleles are different, the person is Heterozygote for that trait.

What is a heterozygous mutation?

Mutations affecting only one allele called heterozygotes. A homozygous mutation is the presence of the same mutation on both alleles of a particular gene. However, when both alleles of a gene have mutations, but the mutations are different, the mutations are called compound heterozygotes.

When hybridizing tall plants with green pods?

Step by step to complete the answer:

arrive dwarf peas Plants with yellow pods (ttgg) crosses were made with pure tall pea plants (TTGG) with green pods. The F2 generation formed 16 strains, including 9 high green, 3 high yellow, 3 short green and 1 short yellow.

How many short plants did the F2 generation produce?

The F1 generation produced all heterozygous plants and the F2 generation produced plants in a ratio of 9:3:3:1. When pure tall pea plants and pure short pea plants are crossed, all tall greens are produced in the F1 generation, 16 plants F2 generation production.

How many dihybrids are there in the F2 generation?

In the F2 generation of the two-hybrid cross, we get 4 two-hybrid plants With the genotype RrYy, when we crossed RRYY (round yellow) and ryy (wrinkled green) plants.