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 : Study the pedigree chart of a certain family given below and select the correct conclusion which can be drawn for the character. (a) The female parent is heterozygous. (b) The parents could not ... The trait under study could not be colour blindness. (d) The male parent is homozygous dominant.
Last Answer : (a) The female parent is heterozygous.
Description : A gene is said to be dominant if (a) it expresses its effect only in homozygous state (b) it expresses its effect only in heterozygous condition (c) it expresses its effect both in homozygous and heterozygous condition (d) it never expresses its effect in any condition.
Last Answer : (c) it expresses its effect both in homozygous and
Description : Difference between homozygous and heterozygous. -Biology
Last Answer : answer:
Description : Is DD heterozygous or homozygous?
Last Answer : homozygous
Description : For peas, round seed shape (R) is dominant to wrinkled seed shape (r). A homozygous dominant plant is crossed with a heterozygous plant. What are the expected ratios for genotype and phenotype of the offspring?
Last Answer : rr, Rr
Description : A cross between homozygous recessive and heterozygous plant is - (1) Back cross (2) Test cross (3) Monohybrid cross (4) Dihybrid cross
Last Answer : (2) Test cross Explanation: A cross between homozygous recessive and heterozygous plant is called Test Cross
Description : The quickest way to produce homozygous breeding lines from heterozygous parents is through: (a) Half-seed technique (b) doubled haploids (c) Introgression (d) Aneuploidy
Last Answer : (b) doubled haploids
Description : An organism with two identical alleles is (a) dominant (b) hybrid (c) heterozygous (d) homozygous.
Last Answer : (d) homozygous.
Description : An allele is dominant if it is expressed in (a) both homozygous and heterozygous states (b) second generation (c) heterozygous combination (d) homozygous combination.
Last Answer : (a) both homozygous and heterozygous states
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 : Explain homozygous and heterozygous parents.
Last Answer : Ans: Individuals with similar genes for a character such as TT or tt for length of stem are described as homozygous and the individuals with dissimilar genes for the character such as Tt for length of stem are described as Heterozygous.
Description : A cross between homozygous recessive and heterozygous plant is (1) Back cross (2) Test cross (3) Monohybrid cross (4) Dihybrid cross
Last Answer : Test cross
Description : Which one of the following conditions correctly describes the manner of determining the sex? (a) Homozygous sex chromosomes (ZZ) determine female sex in birds. (b) XO type of sex chromosomes ... s syndrome, determines female sex. (d) Homozygous sex chromosomes (XX) produce male in Drosophila.
Last Answer : (b) XO type of sex chromosomes determine male sex in grasshopper.
Description : F1 x homozygous recessive parent
Last Answer : Ans. Test Cross
Description : Tissue culture technique can produce infinite number of new plants from a small parental tissue. The economic importance of the technique is in raising (a) genetically uniform population ... homozygous diploid plants (c) new species (d) variants through picking up somaclonal variations.
Last Answer : (a) genetically uniform population identical to the original parent
Description : Why is the heterozygous condition important -Biology
Description : Down Syndrome, a congenital genetic disorder in human beings, is cased by : (a) a defective recessive gene in homozygous condition (b) an extra x chromosome (c) trisomy of chromosome 18 (d) trisomy of chromosome 21
Last Answer : Ans:(d)
Description : If a homozygous black guinea pig is crossed with a white guinea pig what is the probability that an offspring will have black fur?
Last Answer : depends if the black fur gene is dominant..if it is...then yu would cross BB with bb making all heterozygousgenotypes(Bb)therefore, having all possible offspring with black furso theres a 100% probability of offspring with black fur(:
Description : What is homozygous? -Biology
Description : What is heterozygous? -Biology
Description : Why are homozygous alleles lethal? -Biology
Description : Why is a homozygous recessive used in a testcross? -Biology
Description : When crossing a homozygous recessive with a heterozygote? -Biology
Description : Why is homozygous achondroplasia lethal? -Biology
Description : Why is a purebred homozygous? -Biology
Description : Why are heterozygous individuals called carriers? -Biology
Description : Why can't an organism be heterozygous recessive? -Biology
Description : A pair of alleles is said to be heterozygous when -Biology
Description : Another word for homozygous. -Biology
Description : When Mendel crossed plants that were heterozygous. -Biology
Description : What do you mean by heterozygous ?
Last Answer : : An organism derived from a homozygot is called a homozygous ; Again the opposite means consisting of individual features [e.g. T and t] The hybrid zygote produced by the union of two gametes is called heterozygote
Description : What is Heterozygous ?
Last Answer : reverse i.e. with individual features [e.g. The hybrid zygote produced by the union of two gametes, T and t] , is called heterozygote, and the heterozygotic organism is called heterozygous.
Description : What is Homozygous ?
Last Answer : : Two genes with the same allele in a diploid organism are called homozygous locus.
Last Answer : Heterozygous is a condition that occurs when one of the two genes is exposed and the other is exposed.
Description : In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by
Last Answer : In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by A. pq B. `q^(2)` C. `p^(2)` D. 2pq
Description : A double homozygous yello round plant of Pea is crossed with green wrinkled plant. The offspring shall be of
Last Answer : A double homozygous yello round plant of Pea is crossed with green wrinkled plant. The offspring shall ... Two types C. Four types D. Several types
Description : What genes does a homozygous short pea plant always have?
Last Answer : Need answer
Description : Do all heterozygous pairs alleles produce an intermediate phenotype?
Last Answer : No
Description : What is the probability that two heterozygous parents would have an offspring that produced round seeds (Express your answer as a ratio.)?
Last Answer : What is the answer ?
Description : If the pattern of inheritance for a trait is complete dominance then an organism heterozygous for the trait would normally express what?
Description : If yellow flower color is dominant to blue flower color what will plant that is heterozygous be?
Description : In fruit flies long wings are dominant to short wings. Cross a heterozygous long winged fruit fly with another heterozygous long winged fruit fly. what are the expected genotype and phenotype ratios?
Description : What is the difference between a heterozygous phenotype produced by incomplete dominance and a heterozygous phenotype produced by codominance?
Last Answer : http://wiki.answers.com/Q/What_is_the_difference_between_a_heterozygous_phenotype_produced_by_incomplete_dominance_and_a_heterozygous_produced_by_codominance"
Description : What is a homozygous?
Last Answer : It is a genetic similarity between two organisms.
Description : A progeny of single homozygous, self pollinated crops
Last Answer : Ans. Pure line
Description : Progeny of a single cross fertilized heterozygous individual
Last Answer : Ans. Inbred
Description : Which of the following suggests a diagnosis of familial combined hyperlipidaemia (FCHL) rather than heterozygous familial hypercholesterolaemia (FH)? 1) Tendon xanthomas 2) Presence of glucose ... premature coronary artery disease 4) Presence of arcus senilus 5) Absence of hyperuricaemia
Last Answer : Answers-2 The genetic dislipidaemias occur in one third of patients who have suffered from their first myocardial infarction below the age of 50 years in men. The commonest is familial combined ... xanthomata and arcus cornea are rarely present in children, but are very important signs to identify.
Description : In crop movement programme, haploids are important because they (a) require one half of nutrients (b) are helpful in study of meiosis (c) grow better under adverse conditions (d) form perfect homozygous.
Last Answer : (d) form perfect homozygous.
Description : A true breeding plant is (a) one that is able to breed on its own (b) produced due to cross-pollination among unrelated plants (c) near homozygous and produces offspring of its own kind (d) always homozygous recessive in its genetic constitution.
Last Answer : c) near homozygous and produces offspring of its own kind