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According to Mendel what kind of genes disappear in F1 pea plants?
No genes disappear in the F1 generation. Each of the F1 plants was heterozygous, having both dominant and recessive alleles. The recessive phenotype disappears in the F1 generation because all members of that generation carry a dominant allele. In the F2 generation, the recessive phenotype will reappear.
What is the probability that a colorblind woman and a man with normal vision will have a colorblind daughter?
It all will depend on what kind of (recessive or dominant) alleles are responsible for the colorblind characteristic and what kind of alleles do the parental genes have.
What was Gregor Mendel's biggist contribution to biology?
Gregor Mendel discovered the dominant and recessive mode of genetic inheritance.
What is the difference between a pure tall plant and a hybrid tall plant?
Pure TraitsPure traits can be either recessive or dominant. Pure traits may have two dominant genes or two recessive genes. For example, a pea plant may have two genes for tallness, which is dominant trait in pea plants. This plant is homozygous plant with a pure dominant trait for tallness. All of the offspring from this plant will be tall. A pea plant with two genes for shortness is also a pure organism. However, shortness in pea plants is a recessive trait. This plant is a homozygous plant with a pure recessive trait for height. The offspring from this plant will be short if it pollinates with another plant that has two genes for shortness. If this plant pollinates with a tall pea plant, the tall dominant gene will mask or cover up the recessive gene for shortness. Both plants are homozygous or pure plants; one is a pure dominant pea plant, the other is a pure recessive pea plant.Hybrid TraitOrganisms that have two unlike genes for a certain trait are called hybrid. A pea plant with one recessive gene for shortness and one dominant gene for tallness is a hybrid for that trait. A hybrid is called heterozygous, as it has two different alleles. The offspring from a pure tall pea plant, cross-pollinated with a pure short pea plant, will result in a heterozygous plant for tallness. No organism has all dominant or all recessive genes. An organism may be pure in certain traits and hybrid others. Remember, that a dominant trait in one kind of organism may be a recessive trait in another organism.
What is the difference between a Pure tall plant and hybrid tall plant?
A pure tall plant refers to one that has been consistently bred with other tall plants of the same variety to maintain its tall characteristics. A hybrid tall plant, on the other hand, results from cross-breeding two different varieties of plants to create a new plant with varying characteristics, such as height.
What kind of plant has one dominant gene and two recessive gene?
A plant that exhibits this genetic inheritance pattern would have a heterozygous genotype, where one allele is dominant and the other two alleles are recessive. This would result in the dominant trait being expressed in the plant's phenotype.
What kind alleles does a heterozygous individual have?
a heterozygous individual has different alleles because one is dominant but the other is recessive.
Is unibrow dominant or recessive?
its neither. its a learned skill. i can do it, and i learned to by holding one eyebrow up, with my finger, and learning to adapt from that. you use muscle in your face when you do it. if you want to learn, wrinkle your forehead that will help you.
What kind of puppies will 2 chocolate labs have?
Labs puppies of course. Mendel's Law has shown that there are dominant and recessive traits in the genes of all living things. Provided that both dogs are purebred chocolate labs with no recessive genes or genetic mutations the results would be chocolate lab puppies. However, if there is a recessive gene or a genetic mutation in the code for color in either dog's genes, there is a slight possibility that they could produce a lab of another color. If both dogs carry the same recessive gene, there is an even higher possibility of that happening. (Gregor Mendel was a 19th century monk who first studied the possible results of crossbreeding using peas.)
What kind of trait is expressed when two different genes from the same trait are present?
When two different genes from the same trait are present in an individual, it is called heterozygosity. This results in the expression of both alleles, which can lead to a phenotype that shows a mixture of the traits associated with each allele.
What is the kind of trait that seemed to vanish in the offspring produces in Mendel's first experiment?
Mendel's experiments showed the characteristics of genes that express complete dominance--that is, traits where one allele is completely dominant over another, and the recessive allele does not appear in the phenotype at all. Some of the specific traits that Mendel was testing include pea color (yellow or green, with green being completely dominant) pea surface texture (wrinkled or smooth, with smooth being dominant) and flower color (pink and white, with pink being dominant.)
Kind of trait that seemed to vanish in the offspring produced in mendels first expiriment?
This was the recessive trait - because the plant had to have two copies for this trait to show, the one dominant copy masked the recessive copy.
