Description : When Gregor Mendel crossed true-breeding tall plants with true-breeding short plants, all the offspring were tall because a. the allele for tall plants is recessive. b. the allele for short plants is dominant. c. the allele for tall plants is dominant. d. they were true-breeding like their parents.
Last Answer : c. the allele for tall plants is dominant.
Description : Gregor Mendel concluded that traits are a. not inherited by offspring. b. inherited through the passing of factors from parents to offspring. c. determined by dominant factors only. d. determined by recessive factors only.
Last Answer : b. inherited through the passing of factors from parents to offspring.
Description : When Gregor Mendel crossed a tall plant with a short plant, the F1 plants inherited a. an allele for tallness from each parent. b. an allele for tallness from the tall parent and an allele for shortness ... parent. c. an allele for shortness from each parent. d. an allele from only the tall parent.
Last Answer : b. an allele for tallness from the tall parent and an allele for shortness from the short parent.
Description : In order to have a recessive trait an organism must have what copies of he recessive allele?
Last Answer : What is the answer ?
Description : What is the difference between a dominant and recessive allele?
Last Answer : A: A dominant allele expresses its phenotype even if only one copy is present, while a recessive allele expresses its phenotype only if two copies are present.
Description : What is the difference between a dominant and a recessive allele?
Last Answer : A: A dominant allele is one that is expressed in the phenotype of an organism even if only one copy is present, while a recessive allele is only expressed in the phenotype if two copies are present.
Description : What is the difference between a recessive and a dominant allele?
Last Answer : A: A recessive allele is an allele that is only expressed when present in a homozygous state, while a dominant allele is an allele that is expressed even when present in a heterozygous state.
Last Answer : A: A dominant allele is expressed in the phenotype when present, while a recessive allele is only expressed in the phenotype when two copies are present.
Last Answer : A: A dominant allele is expressed in the phenotype even if it is present in only one copy, while a recessive allele is only expressed in the phenotype if it is present in two copies.
Description : What is the difference between a dominant allele and a recessive allele?
Last Answer : A: A dominant allele is expressed when present in either the homozygous or heterozygous state, while a recessive allele is only expressed when present in the homozygous state.
Last Answer : A: A dominant allele masks the expression of a recessive allele in a heterozygous individual.
Description : A plant has two alleles for color. The red allele is recessive, and is represented by q. The purple allele is dominant, and is represented by p. If 30 of 100 organisms are red, what is q?
Last Answer : 0.55
Description : A fly has two alleles for the color of its eyes. The green allele is recessive, and is represented by q. The blue allele is dominant, and is represented by p. If 20 of 100 organisms are green, what is q?
Last Answer : A. 0.45 Apex
Description : A species of flu has two alleles for the length of their legs. The allele for long leg is dominant, and is represented by p. The allele for short legs is recessive, and is represented by q. If 33 of 100 organisms have short legs, what is p?
Last Answer : 0.043
Description : Haploids are able to express both recessive and dominant alleles/mutations because there are (a) many alleles for each gene (b) two alleles for each gene (c) only one allele for each gene in the individual (d) only one allele in a gene.
Last Answer : (c) only one allele for each gene in the individual
Description : A gene showing co-dominance has (a) alleles that are recessive to each other (b) both alleles independently expressed in the heterozygote (c) one allele dominant on the other (d) alleles tightly linked on the same chromosome.
Last Answer : (b) both alleles independently expressed in the heterozygote
Description : Is color blindness a trait controlled by a dominant allele on the x chromosome?
Last Answer : Need answer
Description : What allele whose trait only shows up when no dominant allele is present?
Last Answer : recessive alle
Description : 4. Crossing a Dominant character with (Homozygous & Hetrozygous) with a recessive trait to know the genome is called;- a) Back cross b) Monohybrid Cross C) Test Cross d)Dihybrid Cross
Last Answer : C) Test Cross
Description : What is the difference between a dominant and recessive trait?
Last Answer : A: A dominant trait is a genetic trait that is expressed when present in either one or both copies of the gene, while a recessive trait is a genetic trait that is only expressed when present in both copies of the gene.
Description : What is the difference between a dominant and a recessive trait?
Last Answer : A: A dominant trait is expressed when an individual has one or two copies of the dominant allele, while a recessive trait is expressed only when an individual has two copies of the recessive allele.
Description : Was the recessive form of any trait more frequent than the dominant form Explain this result?
Description : Haemophilia is more common in males because it is a (a) recessive character carried by Y-chromosome (b) dominant character carried by Y-chromosome (c) dominant trait carried by X-chromosome (d) recessive trait carried by X-chromosome.
Last Answer : (d) recessive trait carried by X-chromosome
Description : The colour blindness is more likely to occur in males than in females because (a) the Y-chromosome of males have the genes for distinguishing colours (b) genes for characters are located on the sex- chromosomes (c) the trait is dominant in males and recessive in females (d) none of these.
Last Answer : (b) genes for characters are located on the sex- chromosomes
Description : Which one is the incorrect statement with regard to the importance of pedigree analysis? (a) It confirms that DNA is the carrier of genetic information. (b) It helps to understand whether the trait in ... linked to one of the autosome. (d) It helps to trace the inheritance of a specific trait.
Last Answer : (a) It confirms that DNA is the carrier of genetic information.
Description : Select the correct match. (a) Haemophilia – Y linked (b) Phenylketonuria – Autosomal dominant trait (c) Sickle cell anaemia – Autosomal recessive trait,chromosome -11 (d) Thalassemia – X linked
Last Answer : (c) Sickle cell anaemia – Autosomal recessive trait,chromosome -11
Description : Test cross involves (a) crossing between two genotypes with dominant trait (b) crossing between two genotypes with recessive trait (c) crossing between two F1 hybrids (d) crossing the F1 hybrid with a double recessive genotype.
Last Answer : (d) crossing the F1 hybrid with a double recessive genotype.
Description : Test cross in plants or in Drosophila involves crossing (a) between two genotypes with recessive trait (b) between two F1 hybrids (c) the F1 hybrid with a double recessive genotype (d) between two genotypes with dominant trait.
Last Answer : (c) the F1 hybrid with a double recessive genotype
Description : 5 Consider a cross in which a trait is inherited by incomplete dominance. What percentage of the F2 from the matng of homozygous dominant and homozygous recessive individuals will possess the dominant phenotype? a) 0 per cent b) 25 per cent c) 50 per cent d) 75 per cent
Last Answer : ANS: b 25 per cent
Description : ______ is called as 'Father of Genetics'. (1) Charles Darwin (2) Hugo de Vries (3) Gregor Johann Mendel (4) Jean Baptiste Lamarck
Last Answer : (3) Gregor Johann Mendel Explanation: Gregor Mendel was an Austrian monk who discovered the basic principles of heredity through experiments in his garden.
Description : How can i relate Gregor Mendel and Charles Darwin to cloning?
Last Answer : http://www.ornl.gov/sci/techresources/Human_Genome/elsi/cloning.shtml
Last Answer : Mendel His Of the garden Peas Of trees On Different Examination - Audit Continue The formulas Preparation Does. Local ' Natural History In the journal ' These Published Although Long Thirty Years ... Different Branch As Establishment Gets. .. this For . Gregor Johan Mendel Heredity Vidya For Famous
Description : $ Gregor mendel is also known as the "father of biology" ! He gave the law of Epistasis.
Last Answer : $ Gregor mendel is also known as the "father of biology" ! He gave the law of Epistasis. A. If both As ... R is wrong D. If both As and R are wrong.
Description : How did gregor mendel make sure that the plants with round seeds did not self pollinate?
Last Answer : He allowed plants whose seeds were round or wrinkled in shape toself pollinate. This trait has two variations-either round orwrinkled seeds.
Description : That some human diseases are genetically controlled was first established by (a) Gregor Mendel (b) A E Garrod (c) Watson and Crick (d) William Bateson
Last Answer : Ans:(b)
Description : Gregor Mendel is often referred to as the Father of Genetics since he first enunciated the Principles of Heredity. His experimental material was (a) fruit fly (b) bread mould (c) pea plant (d) rhesus monkey
Last Answer : Ans:(c)
Description : The scientist who explained about blood circulation for the first time was - (1) Antonyvan Leewen Hock (2) William Harvey (3) Gregor Mendel (4) Ronald Ross
Last Answer : (2) William Harvey Explanation: William Harvey was an English physician, who described completely and in detail the systemic circulation and properties of blood being pumped to the body by the ... his birthplace of Folkestone. He is not well recognized for his accomplishments in today's society.
Description : DNA test was developed by – (1) Dr. Alec Jeffreys (2) Dr. V.K. Kashyap (3) Watson and Crick (4) Gregor Mendel
Last Answer : (3) Watson and Crick Explanation: A genealogical. DNA test looks at a person's genetic code at specific locations. Results give information about genealogy or personal ancestry. James D. Watson and Francis Crick are the two scientists who discovered the structure of DNA in 1953.
Description : Johann Gregor Mendel is famous for propounding - (1) Theory of mutation (2) Laws of heredity (3) Cell theory (4) Theory of acquired characters
Last Answer : (2) Laws of heredity Explanation: The Laws of Heredity are few; their implications for life are vast. The simplest genetic characteristics are those whose presence depends on the genotype ... about the way certain characteristics are transmitted from one generation to another in an organism.
Description : The ‘Theory of Evolution’ wasput forward by - (1) Louis Pasteur (2) Aristotle (3) Gregor Mendel (4) Charles Darwin
Last Answer : (4) Charles Darwin Explanation: Charles Darwin had proposed "theory of Evolution". The theory of evolution came into view by the reawakening of ancient materialistic philosophies and became widespread ... the matter, so it tries to explain the universe and nature through purely material factors.
Description : The theory of inheritance of acquired characters was propounded by - (1) Charles Darwin (2) Gregor Mendel (3) J. B. Lamarck (4) Weismann
Last Answer : (3) J. B. Lamarck Explanation: Lamarckism (or Lamarckian inheritance) is the hypothesis that an organism can pass on characteristics that it has acquired through use or disuse during its lifetime to its offspring.
Description : Who first discovered how blood circulates in the human body? A. Edward Jenner B. Joseph Lister C. William Harvey (Answer) D. Gregor Mendel
Last Answer : C. William Harvey (Answer)
Description : The frequency of recombination between gene present on the same chromosome as a measure of the distance between genes was explained by (a) Sutton Boveri (b) T.H. Morgan (c) Gregor J.Mendel (d) Alfred Sturtevant.
Last Answer : (d) Alfred Sturtevant.
Description : The theory of inheritance of acquired characters are proposed by a. J.B. Lamarck b. Charles Darwin c. Gregor Mendel d. Hugo De vries
Last Answer : b. Charles Darwin
Description : Gregor Mendel used pea plants to study a. flowering. b. gamete formation. c. the inheritance of traits. d. cross-pollination.
Last Answer : c. the inheritance of traits.
Description : The earliest experiments on chromosome theory and inheritance were developed by? w) Gregor Mendel x) Jonas Salk y) Charles Sternak z) Robert Oppenheimer
Last Answer : ANSWER: W -- GREGOR MENDEL
Description : DNA test was developed by (1) Dr. Alec Jeffreys (2) Dr. V.K. Kashyap (3) Watson and Crick (4) Gregor Mendel
Last Answer : Watson and Crick
Description : Johann Gregor Mendel is famous for propounding (1) Theory of mutation (2) Laws of heredity (3) Cell theory (4) Theory of acquired characters
Last Answer : Laws of heredity
Description : The ‘Theory of Evolution’ was put forward by (1) Louis Pasteur (2) Aristotle (3) Gregor Mendel (4) Charles Darwin
Last Answer : Charles Darwin