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.

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.
by

1 Answer

Answer :

c. the allele for tall plants is dominant.
by

Related questions

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 from the short parent. c. an allele for shortness from each parent. d. an allele from only the tall parent.

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.

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.

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.

If you made a Punnett square showing Gregor Mendel’s cross between true-breeding tall plants and truebreeding short plants, the square would show that the offspring had a. the genotype of one of the parents. b. a phenotype that was different from that of both parents. c. a genotype that was different from that of both parents. d. the genotype of both parents.

Description : If you made a Punnett square showing Gregor Mendel's cross between true-breeding tall plants and truebreeding short plants, the square would show that the offspring had a. the genotype of one of the ... . a genotype that was different from that of both parents. d. the genotype of both parents.

Last Answer : c. a genotype that was different from that of both parents.

Is it true that gregor mendel called an idividual that has one dominant allele and one recessive allelefor a trait a purebred?

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

When Mendel crossed a true-breeding short plant with a true-breeding tall plant, all the offspring were tall. Which term describes the gene for tallness?

Description : When Mendel crossed a true-breeding short plant with a true-breeding tall plant, all the offspring were tall. Which term describes the gene for tallness?

Last Answer : Dominant.

A tall plant is crossed with a short plant. If the tall F1 pea plants are allowed to self-pollinate, a. the offspring will be of medium height. b. all of the offspring will be tall. c. all of the offspring will be short. d. some of the offspring will be tall, and some will be short.

Description : A tall plant is crossed with a short plant. If the tall F1 pea plants are allowed to self-pollinate, a. the offspring will be of medium height. b. all of the offspring will be tall. c. all of the offspring will be short. d. some of the offspring will be tall, and some will be short.

Last Answer : d. some of the offspring will be tall, and some will be short.

Gregor Mendel used pea plants to study a. flowering. b. gamete formation. c. the inheritance of traits. d. cross-pollination.

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.

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

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

In the P generation, a tall plant is crossed with a short plant. The probability that an F2 plant will be tall is a. 50%. b. 75%. c. 25%. d. 100%.

Description : In the P generation, a tall plant is crossed with a short plant. The probability that an F2 plant will be tall is a. 50%. b. 75%. c. 25%. d. 100%.

Last Answer : b. 75%.

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.

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.

The principle of dominance states that a. all alleles are dominant. b. all alleles are recessive. c. some alleles are dominant and others are recessive. d. alleles are neither dominant nor recessive.

Description : The principle of dominance states that a. all alleles are dominant. b. all alleles are recessive. c. some alleles are dominant and others are recessive. d. alleles are neither dominant nor recessive.

Last Answer : c. some alleles are dominant and others are recessive.

If a homozygous dominant parent and a heterozygous parent are crossed what percentage of the offspring are expected to be homozygous recessive?

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

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.

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

When Mendel used pea plants true breeding for yellow peas or green peas in an experiment. All the offspring produced from this cross were yellow. When the offspring were allowed to self pollinate one?

Description : When Mendel used pea plants true breeding for yellow peas or green peas in an experiment. All the offspring produced from this cross were yellow. When the offspring were allowed to self pollinate one?

Last Answer : yyYy

In a plant, red fruit (R) is dominant over yellow fruit (r) and tallness (T) is dominant over shortness (t). If a plant with RRTt genotype is crossed with a plant that is rrtt, (a) 25% will be tall with red fruit (b) 50% will be tall with red fruit (c) 75% will be tall with red fruit (d) all the offspring will be tall with red fruit

Description : In a plant, red fruit (R) is dominant over yellow fruit (r) and tallness (T) is dominant over shortness (t). If a plant with RRTt genotype is crossed with a plant that is rrtt, (a) 25% will be ... with red fruit (c) 75% will be tall with red fruit (d) all the offspring will be tall with red fruit

Last Answer : (b) 50% will be tall with red fruit

The principles of probability can be used to a. predict the traits of the offspring produced by genetic crosses. b. determine the actual outcomes of genetic crosses. c. predict the traits of the parents used in genetic crosses. d. decide which organisms are best to use in genetic crosses.

Description : The principles of probability can be used to a. predict the traits of the offspring produced by genetic crosses. b. determine the actual outcomes of genetic crosses. c. predict the traits of the parents used in genetic crosses. d. decide which organisms are best to use in genetic crosses.

Last Answer : a. predict the traits of the offspring produced by genetic crosses.

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?

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

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?

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

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.

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

According to the biological species concept, horses and donkeys are not considered in the same species because A) they never mate. B) they do not produce fertile offspring. C) they look different. D) they do not share a relatively recent common ancestor.

Description : According to the biological species concept, horses and donkeys are not considered in the same species because A) they never mate. B) they do not produce fertile offspring. C) they look different. D) they do not share a relatively recent common ancestor.

Last Answer : B) they do not produce fertile offspring.

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.

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

Gametes have a. homologous chromosomes. b. twice the number of chromosomes found in body cells. c. two sets of chromosomes. d. one allele for each gene.

Description : Gametes have a. homologous chromosomes. b. twice the number of chromosomes found in body cells. c. two sets of chromosomes. d. one allele for each gene.

Last Answer : d. one allele for each gene.

How many different allele combinations would be found in the gametes produced by a pea plant whose genotype was RrYY? a. 2 b. 4 c. 8 d. 16

Description : How many different allele combinations would be found in the gametes produced by a pea plant whose genotype was RrYY? a. 2 b. 4 c. 8 d. 16

Last Answer : a. 2

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.

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.

What is the difference between a dominant and recessive allele?

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.

What is the difference between a dominant and 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.

What is the difference between a recessive and a dominant allele?

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.

What is the difference between a dominant and a recessive allele?

Description : What is the difference between a dominant and a recessive allele?

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.

What is the difference between a dominant and recessive allele?

Description : What is the difference between a dominant and recessive allele?

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.

What is the difference between a dominant allele and a recessive allele?

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.

What is the difference between a dominant allele and a recessive allele?

Description : What is the difference between a dominant allele and a recessive allele?

Last Answer : A: A dominant allele masks the expression of a recessive allele in a heterozygous individual.

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?

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

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?

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

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.

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

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 yellow leaves are dominant (Y) and red leaves are recessive (y). A plant with genotype Yy and a plant with Yy are crossed.?

Last Answer : What is the answer ?

A cross in which an organism showing a dominant phenotype is crossed with the recessive parent in order to know its genotype is called (a) monohybrid cross (b) back cross (c) test cross (d) dihybrid cross.

Description : A cross in which an organism showing a dominant phenotype is crossed with the recessive parent in order to know its genotype is called (a) monohybrid cross (b) back cross (c) test cross (d) dihybrid cross.

Last Answer : (c) test cross

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?

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

If one parent has two dominant alleles and another parent has two recessive alleles the offspring will have?

Description : If one parent has two dominant alleles and another parent has two recessive alleles the offspring will have?

Last Answer : PFHHHHH

tt mates with Tt. What will be characteristic of offspring? (a) 75% recessive (b) 50% recessive (c) 25% recessive (d) All dominant

Description : tt mates with Tt. What will be characteristic of offspring? (a) 75% recessive (b) 50% recessive (c) 25% recessive (d) All dominant

Last Answer : b) 50% recessive

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, then we obtain pea plants of F2 generation. (a) What do the plants of F2 generation look like? (b) State the ratio of tall plants to dwarf plants in F2 generation. (c) State the type of plants not found in F2 generation but appeared in F2 generation, mentioning the reason for the same. -Biology

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.

How did gregor mendel make sure that the plants with round seeds did not self pollinate?

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.

How did Mendel obtain pure or true breeding varieties of the contrasting forms of pea plants?

Description : How did Mendel obtain pure or true breeding varieties of the contrasting forms of pea plants?

Last Answer : Mendel obtained pure or true breeding varieties of pea plants by allowing them to self pollinate for several generations.

When Mendel crossed plants that were heterozygous. -Biology

Description : When Mendel crossed plants that were heterozygous. -Biology

Last Answer : answer:

Are there benefits to having greater genetic differences between parents?

Description : Are there benefits to having greater genetic differences between parents?

Last Answer : I don't know about the second part (my mother is Korean and my Dad is predominately Scots-Irish and my brothers and I all look the same), but as for immunity, yeah that is kind of true, ... is that the child is also more unlikely to have any deformities, or any defect arising from a genetic origin.

According to the idea of punctuated equilibrium, macroevolution usually involves A) slow and gradual change. B) alternating periods of stasis (no change) and rapid change. C) most species becoming extinct in a relatively short time. D) species selection.

Description : According to the idea of punctuated equilibrium, macroevolution usually involves A) slow and gradual change. B) alternating periods of stasis (no change) and rapid change. C) most species becoming extinct in a relatively short time. D) species selection.

Last Answer : B) alternating periods of stasis (no change) and rapid change.

According to the idea of gradualism, macroevolution usually involves A) slow and gradual change. B) most species becoming extinct in a relatively short time. C) alternating periods of stasis (no change) and rapid change. D) species selection.

Description : According to the idea of gradualism, macroevolution usually involves A) slow and gradual change. B) most species becoming extinct in a relatively short time. C) alternating periods of stasis (no change) and rapid change. D) species selection.

Last Answer : A) slow and gradual change.

A short-haired guinea pig is crossed with a long-haired guinea pig. All of the F1 offspring from the cross are short-haired.Which phenotype is dominantA. long hairB. short hairC. SSD. ss?

Description : A short-haired guinea pig is crossed with a long-haired guinea pig. All of the F1 offspring from the cross are short-haired.Which phenotype is dominantA. long hairB. short hairC. SSD. ss?

Last Answer : Abyssinian

In which generation were recessive traits hidden in all the plants in Mendel and his experiments?

Description : In which generation were recessive traits hidden in all the plants in Mendel and his experiments?

Last Answer : Need answer

The earliest experiments on chromosome theory and inheritance were developed by? w) Gregor Mendel x) Jonas Salk y) Charles Sternak z) Robert Oppenheimer

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

What were Mendel's results when he made a cross between breeding tall plants and short plants?

Description : What were Mendel's results when he made a cross between breeding tall plants and short plants?

Last Answer : Feel Free to Answer