Description : ABO blood grouping is controlled by gene I which has three alleles and show co-dominance. There are six genotypes. How many phenotypes in all are possible? (a) Six (b) Three (c) Four (d) Five
Last Answer : (c) Four
Description : ABO blood groups in humans are controlled by the gene I. It has three alleles - IA, IB and i. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur? (a) Three (b) One (c) Four (d) Two
Description : Polygenic genes show: (a) Different phenotype (b) Different genotype (c) Similar phenotype (d) Similar genotype
Last Answer : Ans. ((a))
Description : What were Punnett squares developed to do to predict the probability of offspring phenotypes to predict the probability of offspring genotypes neither of the above?
Last Answer : What is the answer ?
Description : 4) In the F2 generation of a Mendelian dihybrid cross the number of phenotypes and genotypes are: (a) Phenotypes-4,genotypes-16 (b) ) Phenotypes-9,genotypes-4 (c) ) Phenotypes-4,genotypes-8 (d) ) Phenotypes-4,genotypes-9
Last Answer : 4.d Phenotypes-4,genotypes-9
Description : When two genetic loci produce identical phenotypes in cis and trans position, they are considered to be (a) multiple alleles (b) the parts of same gene (c) pseudoalleles (d) different genes
Last Answer : (c) pseudoalleles
Description : .Match the terms in column I with their description in column II and choose the correct option. Column I Column II A. Dominance (i) Many genes govern a single character B. Co-dominance (ii) In a heterozygous organism only one allele ... (i) (ii) (c) (ii) (i) (iv) (iii) (d) (ii) (iii) (iv) (i)
Last Answer : (d) (ii) (iii) (iv) (i)
Description : Situations in which one allele for a gene is not completely dominant over another allele for that gene are called a. multiple alleles. b. incomplete dominance. c. polygenic inheritance. d. multiple genes.
Last Answer : b. incomplete dominance.
Description : If a pea plant that is heterozygous for round, yellow peas (RrYy) is crossed with a pea plant that is homozygous for round peas but heterozygous for yellow peas (RRYy), how many different phenotypes are their offspring expected to show? a. 2 b. 4 c. 8 d. 16
Last Answer : a. 2
Description : Can two normal individuals of the same species with sexual reproduction have identical genomes and identical karyotypes ? How the human karyotype is usually represented?
Last Answer : Except for clones (individuals created from nucleus transplantation, like the Dolly sheep) and monozygotic twins, it is very improbable the genomes of two individuals of the same species and generated by sexual ... normal karyotype is represented by the formula 44+XX for women and 44+XY for men.
Description : Why do some human traits show a large number of phenotypes?
Last Answer : i don't know but i think it is because of the recessive anddominate traits.
Description : 2) Person having genotypes IA IB would show the blood group as AB. This is because of – a)pleiotropy b)co-dominance c)segregation d)incomplete dominance
Last Answer : b)co-dominance
Description : How is it possible for two individuals to have the same phenotype but a different genotypes for a trait?
Last Answer : it is possible beccause you dont always need both
Description : If you were to get four different offspring from this cross list the different genotypes and the number of each genotype you would expect?
Last Answer : Feel Free to Answer
Description : What sort of discussion can we have about species identification regarding human phenotypes?
Last Answer : I think that if you asked a mockingbird, he would say that we all looked alike and would be able to tell the members of his species apart quite easily.
Description : What are parental phenotypes? -Biology
Last Answer : answer:
Description : Difference between parental and recombinant phenotypes. -Biology
Description : What phenotypes are present in the F1 generation? -Biology
Description : The number of phenotypes in ABO blood groups is
Last Answer : The number of phenotypes in ABO blood groups is A. 2 B. 3 C. 4 D. 6
Description : What selection favors two extremes in a range of phenotypes?
Last Answer : Need answer
Description : In Mendel's experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the ... green cotyledons (c) Only wrinkled seeds with yellow cotyledons (d) Only wrinkled seeds with green cotyledons
Last Answer : (d) Only wrinkled seeds with green cotyledons
Description : In polygenic inheritance phenotypic characters are determined by -Biology
Description : What is Polygenic Inheritance ?
Last Answer : : Polygenic inheritance refers to the phenotypic traits found in a single inheritance formula that are controlled by two or more genes.
Description : Which one of the following pairs of features is a good example of polygenic inheritance?
Last Answer : Which one of the following pairs of features is a good example of polygenic inheritance? A. Human ... D. Human eye colour and sickle cell anaemia
Description : $ Inharitance of flower colour in mirabilis jalapa is type of polygenic inheritance. ! Polysomes are a type of chromosomes.
Last Answer : $ Inharitance of flower colour in mirabilis jalapa is type of polygenic inheritance. ! Polysomes are a type ... wrong D. If both As and R are wrong.
Description : Would a trait that has only two distinct phenotype more likely be a single-gene trait or a polygenic trait How do you know (3 points)?
Description : A polygenic inheritance in human beings is (a) skin colour (b) phenylketonuria (c) colour blindness (d) sickle cell anaemia
Last Answer : (a) skin colour
Description : . Which one of the following is an example of polygenic inheritance? (a) Skin colour in humans (b) Flower colour in Mirabilis jalapa (c) Production of male honeybee (d) Pod shape in garden pea
Last Answer : (a) Skin colour in humans
Description : Inheritance of skin colour in humans is an example of (a) point mutation (b) polygenic inheritance (c) codominance (d) chromosomal aberration.
Last Answer : (b) polygenic inheritance
Description : Which of the following characteristics represent ‘inheritance of blood groups’ in humans? (i) Dominance (ii) Co-dominance (iii)Multiple allele (iv) Incomplete dominance (v) Polygenic inheritance (a) (ii), (iii) and (v) (b) (i), (ii) and (iii) (c) (ii), (iv) and (v) (d) (i), (iii) and (v)
Last Answer : (b) (i), (ii) and (iii)
Description : Mendel’s last law is (a) segregation (b) dominance (c) independent assortment (d) polygenic inheritance.
Last Answer : (c) independent assortment
Description : Which of the following characteristics represent 'Inheritance of blood groups' in humans ? a. Dominance b. Co-dominance c. Multiple dominance d. Incomplete dominance e. Polygenic inheritance (1) b, c and e (2) a, b and c (3) b, d and e (4) a, c and e
Last Answer : (2) a, b and c
Description : What are the regions associated with a particular phenotypic trait having polygenic effect called as? a. Junk DNA b. Alleles c. Quantitative trait loci d. Discrete variables
Last Answer : c. Quantitative trait loci
Description : A cross of a red cow (RR) with a white bull (WW) produces all roan offspring (RRWW). This type of inheritance is known as a. incomplete dominance. b. polygenic inheritance. c. codominance. d. multiple alleles.
Last Answer : c. codominance.
Description : Which of the following statements is not true of two genes that show 50% recombination frequency? (a) The gene show independent assortment. (b) If the genes are present on the same chromo- some, they ... every meiosis. (c) The genes may be on different chromosomes. (d) The genes are tightly linked.
Last Answer : (b) If the genes are present on the same chromo- some, they undergo more than one cross-overs in every meiosis.
Description : A blue colour flower plant denoted by BB is cross bred with that of white colour flower plant denoted by bb. (a) State the colour of flower you would expect in their F1 generation plants. (b) What ... -pollinated? (c) State the expected ratio of the genotypes BB and Bb in the F2 progeny. -Biology
Last Answer : This is your Answer.
Description : What are the possible genotypes for blood group B? -Biology
Description : What are the possible genotypes for type A blood? -Biology
Description : In dogs wire hair (D) is dominant over smooth hair (d) . If two wire haired dogs produce a smooth haired pup , the genotypes of the parent?
Last Answer : Both parents are Dd. They express the dominant gene but carry the recessive one, so there's a 25% chance that the pup will express the recessive one. If either parent was DD, then it would be impossible to produce a pup that expresses the recessive gene.
Description : What are the possible genotypes of a Pea plant?
Last Answer : Either TT or Tt, where T stands for dominant gene for tallnessand t for recessive gene.
Description : In a dihybrid cross with genotypes JjQq and JJQq what is the probability of getting an offspring with genotype JJQQ?
Description : How the genotypes RR and Rr result in the same phenotype?
Last Answer : 4
Description : What are the result of a cross between parents with genotypes Cc and cc?
Last Answer : The expected results are half Cc and half cc.
Description : What genotypes would be considered hybrids?
Description : What are the possible genotypes of offspring in this cross?
Description : If you know the parents alleles for a trait how can you use a punnett square to predict the probable genotypes of the offspring?
Last Answer : So, if one parent is Aa (heterozygous) and the other parent isaa (homozygous recessive) the punnett square would look likethis:___|_A__|__a__a_|_Aa_|_aa__a_|_Aa_|_aa_The genotypes of the offspring 50% heterozygous and 50%homozygous recessive
Description : If a plant with the genotype PP is crossed with a plant with the genotyp pp what are the possible genotypes of the offspring?