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-Sex. & Asex. Rep-
| Question | Answer |
|---|---|
| In squirrels, the gene for gray fur (G) is dominant over the gene for black fur (g). If 50% of a large litter of squirrels are gray, the parental cross that produced this litter was most likely | Gg x gg |
| Which cross could produce a child with type O blood? | AO x BO |
| Which represents the genotype of a homozygous condition? | bb |
| What percentages can be expected in the offspring of cross between a female carrier for color blindness and a male with normal color vision? | 25% normal male, 25% colorblind males, 25% normal females, 25% carrier females |
| Geneticists have observed that fruit flies that commonly inherit vestigial wings also inherit lobed eyes. Observations such as this have helped to develop the genetic concept known as | gene linkage |
| By which process are two daughter nuclei formed that are identical to each other and to the original nucleus? | mitosis |
| Chromosomes normally occur as homologous pairs in | a zygote |
| Because the gene for hemophilia is located on the X-chromosome, it is normally impossible for a | hemophiliac father to pass the gene on to his son |
| A man with a blood genotype AO marries a woman with a blood genotype of AO. What blood types could be expected in their children? | both type A and type O |
| When many hybrid tall pea plants are cross-pollinated, the offspring produced will probably be | 50% heterozygous tall |
| A hybrid black-coated guinea pig produces two million sperm cells. Approximately what number of its sperm cells contain the recessive gene for white coat color? | 1 million |
| Some individuals with blood group A may inherit the genes for blond hair, while other individuals with blood group A may inherit the genes for brown hair. This can be explained by the principle of | independent assortment |
| The outward appearance (gene expression) of a particular trait in an organism is referred to as | a phenotype |
| Sexual 1: | Two parents take part |
| Asexual 1: | Single parent |
| Sexual 2: | Variation occurs in off springs |
| Asexual 2: | Offspring's are genetically exact off springs their parents |
| Sexual 3: | Fertilization takes place |
| Asexual 3: | No Internal fertilization or External fertilization |
| Sexual 4: | Gametes are involved |
| Asexual 4: | No gametes |
| Sexual reproduction is more | complex than asexual reproduction. |
| What requires the production of sex cells, or gametes, which have half the number of chromosomes of all other cells in the organism? | Sexual reproduction. |
| The most important thing about sexual reproduction is | its ability to switch around successful genes |
| Asexually reproducing organisms do not | readily share genetic material, but they do reproduce much faster. |
Created by:
lydiajanetaylor
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