Bio 30 Heredity
Terms
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Which one of these alleles are Homozygous?
a)Tt
b)TT - the answer is b)TT
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A cross between parents AaxAa
would result in how many children with same genotypes? - 3/4
- What are sex-linked traits?
- Traits controlled by genes located on sex chromosome
- What are somatic cells?
- They are all the cells in an organism except the sex cells
- Linked Genes are located on different chromosomes. True or False?
- False, they are located on the same chromosome.
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Which of the following is a test cross?
a)BbxBb
b)BBxBB
c)BBxbb - c)bb cross it with the most recessive
- A yellow wrinkled pea(YYrr)is crossed with a green round pea(yyRR), how many green wrinkled peas will be in F1 Generation?
- None, all will be yellow round.
- Phenotype refers to the genes an organism contains, True or False?
- False. Phenotype refers to the observable triat.
- What is an example of polygenic traits?
- skin colour,eye colour, and height are just some of the many.
- What is gene therapy?
- The replacement of defective genes with nowmal genes in order to cure genetic diseases.
- Where did early scientists believe hereditary traits where located?
- in the blood,this was later proven wrong
- In flowers a red flower combines with a white flower to produce a pink flower, what is this an example of?
- Incomplete Dominance
- What is codominance?
- The expression of one allele does not mask the expression of another, they are both expressed.
- What are alleles?
- They are two or more alternate forms and a gene
- An Austrian Monk that worked with garden peas to help explain the mechanism of inheritance and understand heredity.
- Gregor Mendel