If a male and female, both heterozygous, mate, what % of their offspring will be heterozygous?   A. 25% B. 50% C. 75% D. 100%

Q: Suppose that a trait is inherited by simple dominance.If two heterozygotes are mated, what is the…

A: When a single gene codes for an inherited feature and that gene has two different versions, or…

Q: What is the probability that one of them is a sphere and the other is a pyramid (order not…

A: Probability is the study of finding the possible outcomes in a total set of outcomes. Thus it tells…

Q: If an organism has two different alleles (call the alleles a andb) of a gene,a. its phenotype will…

A: Gene is the key to heredity that is transported from a parent to their offspring and is held to…

Q: There are 120 pink flowers and 112 white collected as a result of the Second filial generation. What…

A: Incomplete dominance is a partial expression of alleles in heterozygous condition so that a hybrid…

Q: Which of these genotypes is heterozygous?a. DD c. ddb. Dd d. Both a and c are correct

A: Both genotypes and phenotypes are the terms widely used in the field of genetics. However, there is…

Q: Two individuals are heterozygous for a character. What is the probability of a zygote being…

A: A punnett square is used to determine the phenotype and genotype of progenies for a given couple.

Q: Which evidence supports Mendel’s law of independent assortment?   A. In a monohybrid cross, both…

A: According to Mendel's law of independent assortment, the alleles of two or more distinct genes are…

Q: The mother with a heterozygous type A blood gave birth to a child, the father is homozygous type B.…

A: Answer : Option (B) is correct. - no chance

Q: You have a pea with yellow seeds and a pea with green seeds, both from pure breeding lines.  When…

A: Because the second generation has all green seeds so, green seed allele is dominant over yellow one.

Q: A scientist takes a frog with green skin and mates it to a frog with brown skin.  All the frogs in…

A: Given information: frog with green skin is mated with a frog with brown skin. All the frogs in the…

Q: Two roan (brown and white spots) cows are mated. What is the probability of getting an all brown…

A: Co-dominance is a state in which both the alleles are dominant type and when present in heterozygous…

Q: In a monohybrid cross, what proportion of heterozygotes is expected among the offspring?

A: Ans : Monohybrid cross is the cross between two organisms of same species that differs in one trait…

Q: How does crossing over affect the genetic variation present in offspring?  Group of answer choices…

A: Crossing over occurs during meiosis when homologous chromosomes are paired. During crossing-over a…

Q: Suppose we have a pea plant that’s homozygous for round seeds (dominant) and we cross it with a…

A: In this question, we are given that a pea plant which is homozygous for round seed is crossed with…

Q: In a particular lizard, there are two alleles in a single gene for color; Y (yellow) or Y' (Blue);…

A: Given:  Genotype of yellow lizard - YY Genotype of blue lizard - Y'Y' and  Genotype of green lizard…

Q: Recombination frequency shows? A. Shows the likelihood of gametes being carried over during…

A: Recombination is a process by which pieces of DNA are broken and recombined to produce new…

Q: What process might produce a gamete with one extra chromosome? a. Nondisjunction c. Translocation b.…

A: The eukaryotic cells contain properly packed genetic material. The genetic constituent of an…

Q: What possible gametes can be produced by AaBb?a. Aa, Bb c. AB, abb. A, a, B, b d. AB, Ab, aB, ab

A: Gametes are produced by the process of meiotic division that is a reductional division. The number…

Q: In mating between two individuals that are heterozygous for a recessive allele, what genotypic ratio…

A: When the alleles are expressed by suppressing or masking the effects of the another alleles, then…

Q: In a cross between two snails of the species Lymnaea peregra, the female comes from a true breeding…

A: Genetic cross-refers to the mating of two-parent individuals which leads to the mixed genetic…

Q: Suppose that a trait is inherited by simple dominance. If two heterozygotes are mated, what is the…

A: Homozygous genotype of dominant trait is : AA Homozygous genotype of recessive trait is : aa…

Q: Suppose that extra fingers and toes are caused by a recessive trait but only appears in 25% of the…

A: Homozygous Recessive (bb): In this case, an individual carries two copies of the recessive allele…

Q: Suppose a man who does not have Duchenne muscular dystrophy had a child with a woman who is a…

A: Duchenne muscular dystrophy is a type of genetic disorder, in which muscles starts to degenerate…

Q: Which observation led Thomas Morgan to realize that the gene for fruit fly eye color was located on…

A: The genes are present on chromosomes that segregate independently into different gametes. Each…

Q: We know that human blood type is determined by a three-allele system at a single locus. For the…

A: An person's genotype determines his or her phenotype. The alleles a person inherits from their…

Q: In fruit flies, the allele for red eyes (R) is dominant over the allele for white eyes (r). Imagine…

A: Dominant trait - red eyes Recessive trait - white eyes. The eye color gene is present on the X…

Q: Suppose you do a cross between two parents who are both heterozygous for two traits, such as petal…

A: Dihybrid cross  A cross is made between similar species having different or same phenotype but only…

Q: In a parental cross between a true-breeding, homozygous purple-flowered pea plant and a true…

A: Homozygous refers to a genetic condition where an individual inherits two copies of the same allele…

Q: A certain breed of chickens have black, blue, and white plumage. They display incomplete dominance…

A: Incomplete dominance is when neither allele can completely mask its dominance or effect on the…

Q: You cross individuals with genotypes AABb and AaBb.   What is the probability of producing an…

A: Answer. Phenotype: Phenotype is the external characteristics or appearance of a character. Genotype:…

Q: Genetic linkage leads to the production of a significantly smaller than expected number of gametes…

A: Genes that are close enough together on a chromosome "stay together," and the variants (alleles) of…

Q: In some types of horses, gray hair color (G) is dominant to chestnut color (g). If a male horse is…

A: There are two types of hair colour in horses :-  A ) Gray hair colour  B ) Chestnut hair colour…

Q: The beautiful red postman butterfly (Heliconius erato), shown below, has 21 pairs of homologous…

A: The gametogenesis is the process of formation of gametes. This gametes are formed on the basis of…

Q: A cross is made between a white-eyed female fruit fly and a redeyed male. What would be the…

A: Introduction  Reciprocal cross: is a breeding technique which helps us in finding the inheritance…

Q: How many genotypes are possible at a locus with five alleles? a. 30 b. 27 c. 15 d. 5

A: Genes are generally referred to as the basic unit of heredity. They are a part of DNA and are…

Q: In garden peas, the texture of the seed coat and the size of the pea plant are two traits determined…

A: A trait is a characteristic features that is unique to particular individual. As per the question…

Q: In peas, tall stems & axial flowers are dominant to dwarf stems & terminal flowers, which are…

A: Mendel performed his experiment using pea plant. He described a plant have  two traits one is…

Q: In four-o'clocks, the allele for red flowers is incompletely dominant over the allele for white…

A: Incomplete dominance is a type of inheritance pattern in which the heterozygous phenotype (when an…