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- What is a karyotype?
- What are the stages of interphase?
- What are the phases of mitosis?
- What is the function of mitosis?
- What is the function of meiosis?
- Following mitosis how does the chromosome number of the daughter cells compare to the parent cell?
- What two general genetic conditions can be caused by nondisjunction?
- What are 4 types of chromosome structural changes?
- What is the difference between a homozygous and heterozygous genotype?
- In genetics what symbol is used to identify a recessive allele?
- What is the difference between genotype and phenotype?
- Both a man and a woman are heterozygous for widow’s peak (point in the hairline). Widow’s peak is dominant over a straight hairline. What is the chance (percentage) that their child will have a straight hairline?
- What is a monohybrid?
- What is the difference between an autosomal recessive disorder and an autosomal dominant disorder?
- Define polygenic inheritance.
- Define sex-linked traits.
- Explain why males have a greater chance of having hemophilia than females. Be specific.
- What type of genotype will children have for a trait if both parents are homozygous recessive for it?
- If an offspring shows a phenotype that is intermediate between the phenotypes of the parents, what is this type of inheritance?
- What type of inheritance is demonstrated by human blood types?
- If one parent is type AB blood type and the other parent is type B blood type, could they have a child that is O blood type?
- If one parent is type AB blood type and the other parent is type B blood type could they have a child that is A blood type?
- Is there a relationship between the ABO blood type and the Rh type, or are they inherited independently?
- What person is credited with introducing the gene for hemophilia into the royal families of Europe?
- What is the genotypic ratio from a monohybrid cross?
- Use the Punnett square application to determine the answers for questions 26 and 27 in the following simple monohybrid cross. (If you don’t understand how to fill in a Punnett square, you can use google for help.): A man who is homozygous recessive for attached earlobes (ee) has children with a woman who is heterozygous for attached/unattached earlobes (Ee). Use E for unattached lobes and e for attached lobes. Identify the alleles that would be entered for the female and for the male.
- What percentage of the offspring are expected to show the recessive phenotype?
- Use the Punnett square application to determine the answers for questions 28, 29 and 30 for the following simple monohybrid cross. (If you don’t understand how to fill in a Punnett square, you can use google for help.): A man who is heterozygous for cleft chin has children with a woman who is also heterozygous for cleft chin. Use C for the cleft chin allele and c for the non-clefted chin allele. The allele for cleft chin is dominant. Identify the alleles for the female and the male.
- What percentage of the offspring are expected to show the dominant phenotype?
- What percentage of the offspring are expected to have a heterozygous genotype?
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