1. A gene can have many alleles. Why is it that any given persononly carries two copies of each allele? Pick one below
| | This is a function of co-dominance,or incomplete dominance. |
| | During fertilization a gamete onlycontributes one allele from each parent. |
| | Chromosomes lose the extra allelesduring cross over or recombination. |
| | Having more than one allele resultsin cell death. |
2. The X-linked recessive trait of color-blindness is present in5% of males. If a mother who is a carrier and father who isunaffected plan to have 2 children, what is the probability thechildren will both be male and color-blind?
Please enter a percentage number with up to three decimals
