“recessive homozygous viable mutation ” 怎么翻译,还有简要介绍什么意思?

“recessive homozygous viable mutation ” 怎么翻译,还有简要介绍什么意思? homozygous recessive nucleotide base (T-A) (C-G) ..求中文解释加英文... 求一道数学概率题Men have XY or (YX) chromosomes and women have XXchromosomes. X-linked recessive genetic diseases (such as juvenileretinoschisis) occur when there is a defective X chromosomes thatoccurs without a paired X chromosome that is g 7.Dominant alleles that cause disease are especially dangerous because __________.A heterozygous individuals will develop the disease B the severity of the disease is greater than that of diseases caused by recessive alleles C individuals must inheri Founder MutationA founder of a distinct population passed down the mutation which found in DNA to other generation is called the founder mutation.Most founder mutations are recessive.The example of founder mutation is hereditary hemochromatosis,and i 4.In humans,the allele for a widow's peak (W) is dominant and the allele for a straight hairline (w) is recessive.This trait shows complete dominance.Which of the following represents the possible phenotypes in the offspring of two parents,both with