In cattle, F₁ offspring from a cross of a white-coated bull and a red-coated cow would exhibit roan coat colour. This is an example of a. genes with multiple alleles. b. Codominance. c. Incomplete dominance d. Complete dominance Gametes contain a diploid (full) number of chromosomes a. True b. false

Q: An F2 mouse cross of two brown mice produces 63 brown mice, 22 black mice and 29 white mice. What is…

A: The term "epistasis" refers to a situation in which the expression of one gene is masked, blocked,…

Q: what is the likelihood that a male will inherit a sex-linked mutation on the X chromosome from his…

A: Chromosomes are the thread-like structures situated inside the nucleus of the cell. They are made up…

Q: An individual that is homozygous AABBcc is crossed to an individual that is homozygous aabbCC…

A: Genetics is the study of genes, which are the basic structural and functional components of…

Q: Color blindness in humans is one example of a recessive X-linked trait. In a family in which there…

A: Genetics is the study of genes, heredity, and genetic variation in an organism. Living organisms…

Q: What color are all the kernels in the F1 generation?   a. All black b. All yellow c. A mixture of…

A: F1-generation (filial-1 generation): it is the result of a parental generation cross, which means it…

Q: Yellow Dominant pea Seed with unknown genotype (YY or Yy) is test-crossed with green homozygous…

A: In monohybrid cross a single trait is involved such as height , color of flower etc. Each trait is…

Q: Fruit flies are very useful model organisms that have been used to study genetics. One mutant…

A: An eyeless fruit fly is represented by ey gene which is a recessive gene. Homozygous normal fly is…

Q: Crossing over means the same as:   a. incomplete dominance   b. the process by which pieces of…

A: Genetics is a branch of the biology involved in the study of genes, genetic variation, and heredity…

Q: In a particular dihybrid (T/t, B/b) the alleles of the "T and "B"genes indicated in the figure below…

A: Meiosis is a process where a single cell divides twice to produce four cells containing half the…

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: A ratio of exactly 2:1 in the F2 generation, is indicative of:

A: The F2 is the (second filial) generation. When the F1 individuals interbreed we get the offspring of…

Q: If plant with red flowers is crossed with a plant with white flower produces an offspring with pink…

A: Incomplete dominance is when a dominant allele, or form of a gene, does not completely mask the…

Q: Imagine you are performing a cross involving seed color in garden pea plants. What F, offspring…

A: The seed color in pea plants can be yellow or green and these phenotypes are encoded by allele Y and…

Q: When two monohybrid round squashes are crossed, the offspring ratio is ¼ flat to ½ oblong to ¼…

A: Gene is the unit of heredity of all life forms. A genetic interaction in which both alleles of a…

Q: Consider three independently assorting autosomal genes in Drosophila: X, Y and Z. When crossed to a…

A: The genotype of male drosophila = XXyyZz The genotype of female drosophila = XxYYZz

Q: Chromosomal nondisjunction of the X chromosome in female gametes of humans means that live offspring…

A: Nondisjunction of X chromosomes during meiosis I will result in four abnormal gametes. Two gametes…

Q: when one examines the pattern of inheritance of a trait and finds that it is transmitted from…

A: Sex linked inheritence Sex link inheritance means the jeans for characters other than sex are…

Q: Assuming complete dominance, the F1 generation from a monohybrid cross between to parents that are…

A: An allele is a variant form of a given gene.  Phenotype is the observed physical traits of an…

Q: n 95% of cases of Down's syndrome, there is an entire extra chromosome 21 in every cell. This…

A: About 95% of the time, Down Syndrome is caused by trisomy 21. It is a condition in which the person…

Q: When many genes affect a single phenotype is it called;   a. extranuclear inheritance   b.…

A: "Genes" are the fundamental unit of heredity. They store genetic information in the form of DNA,…

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: Which of the following terms describes the relationship between two genes?   A. Complete dominance…

A: The phenotype of an organism is the result of a complex interaction of different alleles. The…

Q: when a red and white carnation are crossed, pink carnations result. This is an example of: A.…

A: The genes are the primary unit of inheritance. The different forms of a gene is known as  allele. An…

Q: genotype should lead to progeny that: a. All have a homozygous dominant genotype b. All exhibit a…

A: An experimental cross between an individual organism with a dominant phenotype yet unknown genotype…

Q: When a plant with red flowers is crossed with a plant with white flowers, the F1 generation consists…

A: Answer: Introduction: Incomplete dominance is type of Gene interaction in that both alleles of a…

Q: Two genes control fruit color in tomatos. Plants of genotype AABB were mated to plants of genotype…

A: Epistatis is thenon-allelic interaction involves two pairs of alleles where the genotype at one…

Q: What is the probability that this man and woman will have a child who is colour blind?

A: Color blindness is an X-linked inheritance, meaning the gene that causes the disorder is present on…

Inheritance and Mendelian Genetics

Inheritance means the passing of traits to offspring from parents. These traits could be passed either through asexual reproduction or sexual reproduction. The offspring receives the genetic material from the parents. Mendelian inheritance is a certain biological inheritance that follows the rules and principles laid down by Gregor Mendel in 1865. The initial hypothesis was considered wrong, but other inheritance theories modified the concept of inheritance and thus genetics.