Description : Two non-allelic genes produces the new phenotype when present together but fail to do so independently then it is called (a) epistasis (b) polygene (c) non complementary gene (d) complementary gene.
Last Answer : epistasis
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 : RR (Red) Antirrhinum is crossed with white (WW) one. Offspring RW are pink. This is an example of (a) dominant-recessive (b) incomplete dominance (c) hybrid (d) supplementary genes.
Last Answer : (b) incomplete dominance
Description : Sickle cell anaemia has not been eliminated from the African population because (a) it is controlled by dominant genes (b) it is controlled by recessive genes (c) it is not a fatal disease (d) it provides immunity against malaria
Last Answer : (d) it provides immunity against malaria.
Description : When two dominant independently assorting genes react with each other, they are called (a) collaborative genes (b) complementary genes (c) duplicate genes (d) supplementary genes.
Last Answer : complementary genes
Description : Recessive epistasis is shown by
Last Answer : Recessive epistasis is shown by A. Flower colour in Sweat Pea B. Fruit colour of Summer Squash C. Coat colour of Mice D. Shape of comb in pultry
Description : In a genetic cross having recessive epistasis, F2 phenotypic ratio would be (a) 9 : 6 : 1 (b) 15 : 1 (c) 9 : 3 : 4 (d) 12 : 3 : 1.
Last Answer : (c) 9 : 3 : 4
Description : The type of gene interaction in which the effects of one gene override or mask the effects of other entirely different genes is called: a) linkage b) mutation c) pleitropy (pron: ply-ah-tropy) d) epistasis (pron: eh-pis-te-sis)
Last Answer : ANSWER: D -- EPISTASIS
Description : The allele which is unable to express its effect in the presence of another is called (a) codominant (b) supplementary (c) complementary (d) recessive.
Last Answer : (d) recessive.
Description : What is the difference between dominant and recessive alleles?
Last Answer : Dominant alleles are expressed when present in either one or both copies, while recessive alleles are only expressed when present in both copies.
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 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 dominant and recessive traits?
Last Answer : A: Dominant traits are expressed when a person has one copy of a dominant allele, while recessive traits are expressed only when a person has two copies of a recessive allele.
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.
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.
Last Answer : A: A dominant allele masks the expression of a recessive allele in a heterozygous individual.
Description : f we cross pure-bred tall (dominant) pea plant with pure-bred dwarf (recessive) pea plant we will get pea plants of F1 generation. If we now self-cross the pea plant of F2 generation, ... plants not found in F2 generation but appeared in F2 generation, mentioning the reason for the same. -Biology
Last Answer : Answer. (a) All plants of F1 generation will be tall plants. (b) 3:1 (c) Dwarf trait is recessive trait which was not expressed in the F1 generation, the recessive trait gets expressed in the F2 generation after self pollination.
Description : What do the terms dominant and recessive mean? -Biology
Last Answer : answer:
Description : Difference between dominant and recessive traits. -Biology
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 : In Neurospora both recessive and dominant allels express their effect becacuse
Last Answer : In Neurospora both recessive and dominant allels express their effect becacuse A. Two genes control each ... gene D. Each gene has only one allele
Description : If a homozygous dominant parent and a heterozygous parent are crossed what percentage of the offspring are expected to be homozygous recessive?
Last Answer : Rr
Description : What is dominant in cats if bobtails are recessive?
Last Answer : Feel Free to Answer
Description : How are dominant and recessive traits written?
Description : Was the recessive form of any trait more frequent than the dominant form Explain this result?
Last Answer : What is the answer ?
Description : What does dominant and recessive mean in genetic?
Description : In a certain plant yellow leaves are dominant (Y) and red leaves are recessive (y). A plant with genotype Yy and a plant with Yy are crossed.?
Description : In a certain plant rough seeds R are dominant and smooth seeds r RECESSIVE two plants with genotype?
Last Answer : Need answer
Description : If one parent has two dominant alleles and another parent has two recessive alleles the offspring will have?
Last Answer : PFHHHHH
Description : Is having dimples recessive or dominant?
Description : Is a red golden retriver dominant or recessive?
Last Answer : In golden retrievers, red is recessive to yellow.
Description : What type of inheritance pattern (are the A and B alleles to each other (Autosomal dominant-Regular dominant-recessive relationship, X linked, co-dominant, incomplete dominant)?
Last Answer : Incomplete dominance
Description : Is it true that gregor mendel called an idividual that has one dominant allele and one recessive allelefor a trait a purebred?
Last Answer : yes
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 : Inheritance of primary gout is (A) Autosomal recessive (B) Autosomal dominant (C) X-linked recessive (D) X-linked dominant
Last Answer : Answer : C
Description : Haploids are more suitable for mutation studies than the diploids. This is because (a) haploids are more abundant in nature than diploids (b) all mutations, whether dominant or recessive ... more stable than diploids (d) mutagens penetrate in haploids more effectively than in diploids.
Last Answer : (b) all mutations, whether dominant or recessive are expressed in haploids
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 : .A diseased man marries a normal woman. They get three daughters and five sons. All the daughters were diseased and sons were normal. The gene of this disease is (a) sex linked dominant (b) sex linked recessive (c) sex limited character (d) autosomal dominant.
Last Answer : (a) sex linked dominant
Description : Haemophilia is more commonly seen in human males than in human females because (a) a greater proportion of girls die in infancy (b) this disease is due to a Y-linked recessive mutation (c) this ... to an X-linked recessive mutation (d) this disease is due to an X-linked dominant mutation.
Last Answer : this disease is due to an X-linked recessive mutation
Description : A man and a woman, who do not show any apparent signs of a certain inherited disease, have seven children (2 daughters and 5 sons). Three of the sons suffer from the given disease but none ... ? (a) Sex-linked dominant (b) Sex-linked recessive (c) Sex-limited recessive (d) Autosomal dominant
Last Answer : (b) Sex-linked recessive
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 incorrect statement with regard to haemophilia. (a) It is a dominant disease. (b) A single protein involved in the clotting of blood is affected. (c) It is a sex-linked disease. (d) It is a recessive disease.
Last Answer : (a) It is a dominant disease.
Description : n the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree. (i) (ii) (iii) (iv) (a) Autosomal recessive (b) X-linked dominant (c) Autosomal dominant (d) X-linked recessive
Last Answer : (a) Autosomal recessive
Description : Which of the following most appropriately describes haemophilia? (a) Chromosomal disorder (b) Dominant gene disorder (c) Recessive gene disorder (d) X-linked recessive gene disorder
Last Answer : (d) X-linked recessive gene disorder