73KB - NZQA
... The pedigree tree provided shows that all the actual offspring were black; therefore the most likely genotype for Rat 3 is AA, as this can only produce black offspring. However these Punnet squares only show the probability of an event occurring. The Aa / aa cross can also produce black offspring. I ...
... The pedigree tree provided shows that all the actual offspring were black; therefore the most likely genotype for Rat 3 is AA, as this can only produce black offspring. However these Punnet squares only show the probability of an event occurring. The Aa / aa cross can also produce black offspring. I ...
Mendelian Genetics - Mediapolis Community School
... wrinkled trait recessive. All seven monohybrid crosses behaved in a similar manner; they produced F1 progeny processing the trait of one of the parents. • Mendel then planted the F1 seeds for each cross, raised the plants, and allowed them to self pollinate to produce the second filial or F2 generat ...
... wrinkled trait recessive. All seven monohybrid crosses behaved in a similar manner; they produced F1 progeny processing the trait of one of the parents. • Mendel then planted the F1 seeds for each cross, raised the plants, and allowed them to self pollinate to produce the second filial or F2 generat ...
Punnett Square Practice Problems
... owner has a male dog that she wants to use for breeding purposes if possible. The dog can hear, so the owner knows his genotype is either DD or Dd. If the dog’s genotype is Dd, the owner does not wish to use him for breeding so that the deafness gene will not be passed on. This can be tested by bree ...
... owner has a male dog that she wants to use for breeding purposes if possible. The dog can hear, so the owner knows his genotype is either DD or Dd. If the dog’s genotype is Dd, the owner does not wish to use him for breeding so that the deafness gene will not be passed on. This can be tested by bree ...
Dihybrid Cross Questions
... 2. About 70% of Canadians get a bitter taste from the chemical phenyl thiocarbamide (PTC), while the other 30% do not. The ability to taste this chemical (T) is a dominant characteristic, while taste-blindness to it is recessive (t). Tongue-rolling ability is dominant (R), while the inability to rol ...
... 2. About 70% of Canadians get a bitter taste from the chemical phenyl thiocarbamide (PTC), while the other 30% do not. The ability to taste this chemical (T) is a dominant characteristic, while taste-blindness to it is recessive (t). Tongue-rolling ability is dominant (R), while the inability to rol ...
Heredity - WordPress.com
... passed on is the tendency to get certain diseases or disorders. Some examples of these are hemophilia, which is a blood-clotting disorder, and cystic fibrosis, a breathing disorder. The tendency to get certain cancers also can be inherited. ...
... passed on is the tendency to get certain diseases or disorders. Some examples of these are hemophilia, which is a blood-clotting disorder, and cystic fibrosis, a breathing disorder. The tendency to get certain cancers also can be inherited. ...
7.2 Complex Patterns of Inheritance
... • Example- Human Blood Types-each person inherits two alleles, one from each parent, but three exist in the human “gene pool”. 4 blood types 3 alleles • Type-A I AI A, I Ai A is dom. to O • Type-B I BI B, I Bi B is dom. To O • Type-AB IAIB AB are codominant • Type-O ii recessive • This is determined ...
... • Example- Human Blood Types-each person inherits two alleles, one from each parent, but three exist in the human “gene pool”. 4 blood types 3 alleles • Type-A I AI A, I Ai A is dom. to O • Type-B I BI B, I Bi B is dom. To O • Type-AB IAIB AB are codominant • Type-O ii recessive • This is determined ...
Chapter 12
... each parent 2. Alterna1ve versions of genes cause varia1on in inherited traits 3. An allele is dominant if, when paired with a different allele, it has exclusive control over an individual’s phenotype 4. The two copies ( ...
... each parent 2. Alterna1ve versions of genes cause varia1on in inherited traits 3. An allele is dominant if, when paired with a different allele, it has exclusive control over an individual’s phenotype 4. The two copies ( ...
After graduation, you and 19 friends build a raft, sail to a deserted
... If 9% of an African population is born with a severe form of sickle-cell anemia (ss), what percentage of the population will be more resistant to malaria because they are heterozygous(Ss) for the sickle-cell gene? q2 = .09 q = .3 ...
... If 9% of an African population is born with a severe form of sickle-cell anemia (ss), what percentage of the population will be more resistant to malaria because they are heterozygous(Ss) for the sickle-cell gene? q2 = .09 q = .3 ...
Population genetics
... populations and hence evolution cannot occur. In the 1900s, some biologists independently determined that sexual reproduction alone doesn't alter levels of genetic variation and can lead to an equilibrium frequency of genotypes in a population following just 1 generation of random mating. This has b ...
... populations and hence evolution cannot occur. In the 1900s, some biologists independently determined that sexual reproduction alone doesn't alter levels of genetic variation and can lead to an equilibrium frequency of genotypes in a population following just 1 generation of random mating. This has b ...
Inheritance and Learned Behaviors Name Class ______ Date
... behavior that is inherited at birth – natural. ...
... behavior that is inherited at birth – natural. ...
Matching On the lines provided, write the letter of the definition of
... 17. Inferring Is individual 1 in Figure 14-2 homozygous or heterozygous for free earlobes? Explain. 18. Interpreting Graphics In Figure 14-2, how many children of individuals 4 and 5 have free earlobes? 19 Inferring Can you be certain of the genotype of individual 3 in Figure 14-2? Explain. What abo ...
... 17. Inferring Is individual 1 in Figure 14-2 homozygous or heterozygous for free earlobes? Explain. 18. Interpreting Graphics In Figure 14-2, how many children of individuals 4 and 5 have free earlobes? 19 Inferring Can you be certain of the genotype of individual 3 in Figure 14-2? Explain. What abo ...
Lesson4 sp2012 (online)
... j. Biologists interested in monarch butterfly populations perform experiments that reveal more about factors in the environment that can impact monarch populations. Match the hypothesis with the slide # from the Monarch Life slide show on the Blackboard site. Hypothesis #1: Monarch adults with the ...
... j. Biologists interested in monarch butterfly populations perform experiments that reveal more about factors in the environment that can impact monarch populations. Match the hypothesis with the slide # from the Monarch Life slide show on the Blackboard site. Hypothesis #1: Monarch adults with the ...
10-2 & 11-2 Mendel Genetics 2010
... two or more genes and are, therefore, called polygenic traits. • Each gene of a polygenic trait often has two or more alleles. • As a result, one polygenic trait can have many possible genotypes and even more possible phenotypes. EX: height (A bell-shaped curve is also called a normal distribution) ...
... two or more genes and are, therefore, called polygenic traits. • Each gene of a polygenic trait often has two or more alleles. • As a result, one polygenic trait can have many possible genotypes and even more possible phenotypes. EX: height (A bell-shaped curve is also called a normal distribution) ...
Heredity in Rabbits
... Rabbits are small, furry animals with several distinct traits or characteristics, such as long back legs and long ears. Traits are passed from parents to their off spring during reproduction. Each offspring receives half of its genetic information or DNA from each parent. ...
... Rabbits are small, furry animals with several distinct traits or characteristics, such as long back legs and long ears. Traits are passed from parents to their off spring during reproduction. Each offspring receives half of its genetic information or DNA from each parent. ...
Document
... • these alternative versions of a gene are now called alleles • each gene resides at a specific locus on a specific chromosome – because we are diploid – the genetic locus is represented twice – one allele is found on each chromosome in the homologous pair – the same locus for each allele Allele for ...
... • these alternative versions of a gene are now called alleles • each gene resides at a specific locus on a specific chromosome – because we are diploid – the genetic locus is represented twice – one allele is found on each chromosome in the homologous pair – the same locus for each allele Allele for ...
Hardy Weinberg Equilibrium Notes - 2015 2016
... 11. Explaining Equation #1: This equation is true for any population where there are only two alleles, one dominant and one recessive for a particular trait. Let’s say our alleles are “A” and “a”. In this equation “p” represents the frequency of “A” (the dominant allele) expressed as a decimal in th ...
... 11. Explaining Equation #1: This equation is true for any population where there are only two alleles, one dominant and one recessive for a particular trait. Let’s say our alleles are “A” and “a”. In this equation “p” represents the frequency of “A” (the dominant allele) expressed as a decimal in th ...
013368718X_CH17_267
... remain constant unless one or more factors cause those frequencies to change. These factors include: non-random mating, small population size, immigration or emigration, mutations, and natural selection. Populations are rarely in genetic equilibrium. Most of the time, evolution is occurring. For exa ...
... remain constant unless one or more factors cause those frequencies to change. These factors include: non-random mating, small population size, immigration or emigration, mutations, and natural selection. Populations are rarely in genetic equilibrium. Most of the time, evolution is occurring. For exa ...
Genes & Heredity
... Mendel’s Laws Principle of Dominance: For contrasting traits : • a dominant trait can ‘mask’ the recessive trait Principle of Segregation: • Each offspring inherits two ‘factors’ (alleles) for each trait (one on each homologous chromosome) • these ‘factors’ (alleles) segregate during the formation ...
... Mendel’s Laws Principle of Dominance: For contrasting traits : • a dominant trait can ‘mask’ the recessive trait Principle of Segregation: • Each offspring inherits two ‘factors’ (alleles) for each trait (one on each homologous chromosome) • these ‘factors’ (alleles) segregate during the formation ...
Practicing Punnett Squares – Monohybrid Simple Dominant
... 5. The ability to roll the tongue (R) is determined by a dominant gene while the recessive gene results in the inability to roll the tongue (r). A man and his wife can both roll their tongues and are surprised to find that their son cannot. Explain this by showing the genotypes of all three persons. ...
... 5. The ability to roll the tongue (R) is determined by a dominant gene while the recessive gene results in the inability to roll the tongue (r). A man and his wife can both roll their tongues and are surprised to find that their son cannot. Explain this by showing the genotypes of all three persons. ...