Another word for homozygous. -Biology

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Description : Difference between homozygous and heterozygous. -Biology

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Description : Why is a homozygous recessive used in a testcross? -Biology

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Description : When crossing a homozygous recessive with a heterozygote? -Biology

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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 ?

Last Answer : : Two genes with the same allele in a diploid organism are called homozygous locus.

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 : 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 : Is DD heterozygous or homozygous?

Last Answer : homozygous

Description : How you can determine whether or not the black parent is homozygous or heterozygous for the condition?

Last Answer : You are not giving enough information to solve this. But, in practice, further crosses will give some clue if the same results occur. If that happens, then the parent in homozygous dominant.

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 : 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 : F1 x homozygous recessive parent

Last Answer : Ans. Test Cross

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 : 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 : 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 : 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

Description : Homozygous purelines in cattle can be obtained by (a) mating of unrelated individuals of same breed (b) mating of individuals of different breed (c) mating of individuals of different species (d) mating of related individuals of same breed

Last Answer : (d) mating of related individuals of same breed.

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 : Selection of homozygous plant is (a) pure line selection (b) mass selection (c) mixed selection (d) introduction

Last Answer : (a) pure line selection

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 : 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 : If a colour-blind man marries a woman who is homozygous for normal colour vision, the probability of their son being colour-blind is (a) 0 (b) 0.5 (c) 0.75 (d) 1.

Last Answer : a) 0

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 : 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 : 4. A haemophilic man marries a normal homozygous woman. What is the probability that their son will be haemophilic a) 100% b) 75 % c) 50% d) 0%

Last Answer : d) 0%

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 : 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 : Homozygous purelines in cattle can be obtained by: (1) mating of unrelated individuals of same breed. (2) mating of individuals of different breed. (3) mating of individuals of different species. (4) mating of related individuals of same breed.

Last Answer : (4) mating of related individuals of same breed.

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 : Homozygous refers to: a) similar types of chromosomes b) having similar functions on an evolutionary basis c) particles in solution that are inseparable d) having identical alleles for a given gene

Last Answer : ANSWER: D -- HAVING IDENTICAL ALLELES FOR A GIVEN GENE

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