chromosomes are inherited from one generation to the next, they are inherited...

Q: In which circumstance would the two alleles at a locus be the same in all circumstances?  In all the…

A: Organisms contain many genes. There are alternative forms present of a gene, which is known as…

Q: Humans have 23 chromosomes per set. A person with 45 chromosomescan be described as beinga.…

A: Normally, humans have 23 pairs of chromosomes i.e. 46 chromosomes in total. But sometimes, due to…

Q: Which of the following statements does not correctly describe the characteristics of homologous…

A: Homologous chromosomes- Two pieces of DNA, one from each parental source present in a diploid…

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: 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: An organism has two chromosomes only. Chromosome 1 has its centromere near one end and carries the…

A: Metaphase of Meiosis IHomologous chromosomes are paired up and aligned along the equator of the…

Q: In a cross between an individual who is SsTt and one who is sstt, the following offspring are…

A: A gene is the basic physical and functional unit of the heredity. Genes are made up of the DNA. Some…

Q: Which of the following genotypes due to nondisjunction of sex chromosomes is lethal? a. XXX b.…

A: Nondisjunction is the phenomenon in which homologous chromosomes or sister chromatids fail to…

Q: An expecting mother underwent a fetal blood test to determine if her unborn child has a genetic…

A: Introduction:-

Q: Human sex-linked disorders in which male children are affected and female children are carriers are…

A: Sex-linked or X-linked disorders mainly affect the males. Some sex-linked disorders are colour…

Q: If a recessive mutation occurs in a male on an X chromosome versus a Y chromosome, leading to…

A: The males have two different sex chromosomes, X and Y. The females have only a single type of sex…

Q: How many types of gametes can be produced from the following diploids? Show the gametes. A. AaBB B.…

A: Gamete formation is one of the key events of sexual reproduction. Gametes of diploid organisms carry…

Q: Locus heterogeneity means that a genetic disordera. has a heterogeneous phenotype.b. is caused by…

A: The correct answer is (a) has a heterogeneous phenotype.

Q: . According to the law of independent assortment,a. all possible combinations of factors can occur…

A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…

Q: One of the forms of rickets is inherited in the autosomal dominant way. This disease is a result of:…

A: A disease in which the bones of children start to weaken and soften is known as Rickets. Mostly it…

Q: As a biologist, you complete a test cross between fly offspring to gain information about how two…

A: Looking at the data given majority are recombinant types. Recombination of genes occurs because of…

Q: Which of the following is the most common type of chromosomal disorder? O a. Kleinfelter's Syndrome…

A: Any syndrome produced by an aberrant chromosome number or constitution, marked by deformities or…

Q: Two genes are located at opposite ends of a chromosome that is 200 map units long. How are they…

A: It is the frequency by which a single chromosomal crossing happens between two genes during the…

Q: A cell that has two alleles at each locus is....? Group of answer choices a. diploid b. haploid c.…

A: Alleles are the variants of the same gene that arise due to changes/mutations in some parts of the…

Q: In a trisomic individual, such as a person with trisomy 21 (Down syndrome),a genetic imbalance…

A: Trisomy 21 is a common genetic defect that is caused by chromosomal abnormalities. Trisomy 21 refers…

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: Which of the following disorders in humans has an X-linked recessive inheritance pattern?…

A: X-linked recessive inheritance refers to genetic conditions associated with mutations in genes on…

Q: #6: You are a young haploid male Honeybee. What is the probability that a gene in your genome is…

A: In honey bees, male is haploid while female is diploid. Such haplodiploidy is observed in some…

Q: Errors in crossing-over can happen when...   Select one: a. Non-homologous chromosomes cross-over…

A: Unequal crossing over is a form of gene duplication or deletion in which a sequence in one strand is…

Q: 15) A company provides genetic analysis to people who want to learn more about their ancestors. One…

A: The offsprings are produced as a result of sexual reproduction in case of human because there are…

Q: Genes G and H are located on chromosome 18. A woman with the genotype Gg Hh has a child with a man…

A: Nondisjunction refers to the failure of homologous and sister chromatids to divide.

Q: Which of the following statements is/are true of the variegated eye color phenotype in Figure…

A: Introduction :- A phenotype is a set of observable characteristics about a person, such as height,…

Q: Which of the following best describes Klinefelter syndrome?   A. It is an example of aneuploidy.…

A: Klinefelter syndrome is a genetic condition that results when a boy is born with an extra copy of  X…

Q: Match each of the following conditions with the correct choice(s) provided on the right. Some…

A: Genes are the functional segments of DNA that code for specific proteins and chromosomes are the…

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: . Mice normally have one yellow band on each hair, butvariants with two or three bands are known. A…

A: Inheritance is the phenomenon of the passing of genes from one generation to another. The genes code…

Q: no need to explain just need n=to know if it a.b.c and d. 1.) In a species of dog, a mutant gene…

A: Note: Since you have asked multiple questions, we will solve the first question for you. If you want…

Q: Autosomal homologous chromosomes Select one: a. are joined at the centromere b. are the same size…

A: consist of a copy of a paternal and a maternal chromosome

Q: Locus heterogeneity refers to a genetic disorder thata. has a heterogeneous phenotype.b. is caused…

A: Heterogeneous condition means the same disease or condition can be caused by different genes or…

Q: or each of the following genotypes how many gametes would be made? a. AaBb -  b. AaBbCC -  c.…

A:

Q: Autosomal homologous chromosomes   a. are joined at the centromere b. are the same size but…

A: Autosomal chromosomes  These are any chromosomes but not sex chromosomes. They contain gene for body…

Q: Individuals with XYY chromosomes are said to be "supermale". Which of the following is FALSE…

A: Humans are said to have 23 pairs of chromosomes which makes a total of 46 when the cells are normal.…