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?

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?
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rr, Rr
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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

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

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 : 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?

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A double homozygous yello round plant of Pea is crossed with green wrinkled plant. The offspring shall be of

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

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 expected phenotypes in the F2 generation of the cross RRYY × rryy? (a) Round seeds with yellow cotyledons, and wrinkled seeds with yellow cotyledons (b) Only round seeds with green cotyledons (c) Only wrinkled seeds with yellow cotyledons (d) Only wrinkled seeds with green cotyledons

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

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

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

In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seeded plant is crossed with a green seeded plant, what ratio of yellow and green seeded plants would you expect in F1 generation? (a) 9 : 1 (b) 1 : 3 (c) 3 : 1 (d) 50 : 50

Description : In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seeded plant is crossed with a green seeded plant, what ratio of yellow and green seeded plants would you expect in F1 generation? (a) 9 : 1 (b) 1 : 3 (c) 3 : 1 (d) 50 : 50

Last Answer : (d) 50 : 50

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 have had a normal daughter for this character. (c) The trait under study could not be colour blindness. (d) The male parent is homozygous dominant.

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.

An organism with two identical alleles is (a) dominant (b) hybrid (c) heterozygous (d) homozygous.

Description : An organism with two identical alleles is (a) dominant (b) hybrid (c) heterozygous (d) homozygous.

Last Answer : (d) homozygous.

An allele is dominant if it is expressed in (a) both homozygous and heterozygous states (b) second generation (c) heterozygous combination (d) homozygous combination.

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

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.

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

If a plant with the genotype PP is crossed with a plant with the genotyp pp what are the possible genotypes of the offspring?

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?

Last Answer : Need answer

Two parents have the genotype Aa. What fraction of their offspring would also be heterozygous?

Description : Two parents have the genotype Aa. What fraction of their offspring would also be heterozygous?

Last Answer : ANSWER: 1/2

If a homozygous black guinea pig is crossed with a white guinea pig what is the probability that an offspring will have black fur?

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(:

The genotype of a plant showing the dominant phenotype can be determined by (a) test cross (b) dihybrid cross (c) pedigree analysis (d) back cross.

Description : The genotype of a plant showing the dominant phenotype can be determined by (a) test cross (b) dihybrid cross (c) pedigree analysis (d) back cross.

Last Answer : a) test cross

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?

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

What was the genotype of the offspring thst did not share the parents phenotype?

Description : What was the genotype of the offspring thst did not share the parents phenotype?

Last Answer : Need answer

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.

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 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 ?

The quickest way to produce homozygous breeding lines from heterozygous parents is through: (a) Half-seed technique (b) doubled haploids (c) Introgression (d) Aneuploidy

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

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 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.

Description : 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.

Last Answer : c. the allele for tall plants is dominant.

What is the probability that two heterozygous parents would have an offspring that produced round seeds (Express your answer as a ratio.)?

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 ?

One trait a plant can have is either red leaves (R) or brown leaves (r). Another trait is tall stems (T) or short stems (t). A plant used in a dihybrid cross has the genotype RRTt. what is the phenotype of this plant?

Description : One trait a plant can have is either red leaves (R) or brown leaves (r). Another trait is tall stems (T) or short stems (t). A plant used in a dihybrid cross has the genotype RRTt. what is the phenotype of this plant?

Last Answer : red leaves, tall stems

A cross between homozygous recessive and heterozygous plant is - (1) Back cross (2) Test cross (3) Monohybrid cross (4) Dihybrid cross

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

A cross between homozygous recessive and heterozygous plant is (1) Back cross (2) Test cross (3) Monohybrid cross (4) Dihybrid cross

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

In a certain plant rough seeds R are dominant and smooth seeds r RECESSIVE two plants with genotype?

Description : In a certain plant rough seeds R are dominant and smooth seeds r RECESSIVE two plants with genotype?

Last Answer : Need answer

How many different types of genetically different gametes will be produced by a heterozygous plant having the genotype AABbCc? (a) Six (b) Nine (c) Two (d) Four

Description : How many different types of genetically different gametes will be produced by a heterozygous plant having the genotype AABbCc? (a) Six (b) Nine (c) Two (d) Four

Last Answer : (d) Four

Difference between homozygous and heterozygous. -Biology

Description : Difference between homozygous and heterozygous. -Biology

Last Answer : answer:

Is DD heterozygous or homozygous?

Description : Is DD heterozygous or homozygous?

Last Answer : homozygous

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

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.

Explain homozygous and heterozygous parents.

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.  

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

Do all heterozygous pairs alleles produce an intermediate phenotype?

Description : Do all heterozygous pairs alleles produce an intermediate phenotype?

Last Answer : No

What is the difference between a heterozygous phenotype produced by incomplete dominance and a heterozygous phenotype produced by codominance?

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"

In fruit flies the allele for red eyes R is dominant which genotype represents a white-eyed male fruit fly?

Description : In fruit flies the allele for red eyes R is dominant which genotype represents a white-eyed male fruit fly?

Last Answer : X"Y . I hate novanet .

In fruit flies the allele for red eyes r is dominant which genotype represents a white eyed male fruit fly?

Description : In fruit flies the allele for red eyes r is dominant which genotype represents a white eyed male fruit fly?

Last Answer : X"Y . I hate novanet .

In order to find out the different types of gametes produced by a pea plant having the genotype AaBb it should be crossed to a plant with the genotype (a) AABB (b) AaBb (c) aabb (d) aaBB.

Description : In order to find out the different types of gametes produced by a pea plant having the genotype AaBb it should be crossed to a plant with the genotype (a) AABB (b) AaBb (c) aabb (d) aaBB.

Last Answer : (c) aabb

When Mendel crossed plants that were heterozygous. -Biology

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

Last Answer : answer:

If yellow flower color is dominant to blue flower color what will plant that is heterozygous be?

Description : If yellow flower color is dominant to blue flower color what will plant that is heterozygous be?

Last Answer : What is the answer ?

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.

What happens when a red flowered plant with incomplete dominance is crossed with a pink flowered plant which is the offspring of the crossing of a white flowered plant and a red flowered plant which has incomplete dominance?

Description : What happens when a red flowered plant with incomplete dominance is crossed with a pink flowered plant which is the offspring of the crossing of a white flowered plant and a red flowered plant which has incomplete dominance?

Last Answer : The crossing of a red flowered plant and a white flowered plant produces all the offspring with pink flowers. This cross illustrates red and white exhibit incomplete dominance. ... ... the heterozygous offspring will be phenotypically and genotypically different from either of the homozygous parent.

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.

If a male who is heterozygous for an autosomal trait mates with a female who is also heterozygous for that trait, what percent of their offspring are likely to be heterozygous for this trait as well?

Description : If a male who is heterozygous for an autosomal trait mates with a female who is also heterozygous for that trait, what percent of their offspring are likely to be heterozygous for this trait as well?

Last Answer : ANSWER: 50%

What is the difference between a phenotype and a genotype?

Description : What is the difference between a phenotype and a genotype?

Last Answer : A: A phenotype refers to the observable traits of an organism, while a genotype refers to the genetic makeup of an organism.

What is the difference between a genotype and a phenotype?

Description : What is the difference between a genotype and a phenotype?

Last Answer : A: A genotype refers to the genetic makeup of an organism, including its alleles for a particular trait, while a phenotype refers to the physical and observable characteristics of an organism, which are determined by both genetic and environmental factors.

What is the difference between a genotype and a phenotype?

Description : What is the difference between a genotype and a phenotype?

Last Answer : A: A genotype refers to the genetic makeup of an organism, while a phenotype refers to the observable physical and behavioral characteristics of an organism.

What is the difference between a genotype and a phenotype?

Description : What is the difference between a genotype and a phenotype?

Last Answer : A: A genotype refers to the genetic makeup of an organism, while a phenotype refers to the physical and observable characteristics of an organism.