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If you type IAIA for Parent 1 and IBIB for Parent 2, the grid will show all possible combinations of these gametes, and the analysis will tell you how many of each blood type you might get. Feel...

2012年3月13日 · O型为ii （1）IA对—为显性，IB对—也（1）IAi； IBi分别是A型和B型血，说明I与i同时存在时显示的是I的基因所以i是隐性基因。 即IA对i是显性，IB对 百度首页

Six possible genotypes: IAIA, IAi, IBIB, IBi, IAIB, ii. Four phenotypes: Type A, B, AB, or O blood. Codominance: Both A and B antigens are expressed on heterozygotes.

ia、ib和i三个位基因控制人类abo血型(a型﹣iaia、iai,b型﹣ibib、ibi,ab型为iaib,o型为ii).分析下面家谱,若小孩刚出生时两家抱错了对方的孩子,则抱错的孩子可能是( ) a. ①和③ b. ②和⑥ c. ②和⑤ d. ①和④

Final Answer: a) Two sets of parent genotypes are IBi x IBi and IBIB x IBi. b) The second set (IBIB x IBi) is more likely to be the parents of these siblings because it ensures all offspring will have type B blood

人类ABO血型由IA、IB、i三个复等位基因控制,IAIA和IAi为A型血、IBIB和IBi为B型血、IAIB为AB型血、ii为O型血。 当IB基因突变为IB (A)时,IB (A)IB (A)和IB (A)i为AB型血。 下图家系中Ⅰ-1和Ⅰ-2血型均为AB型,其儿了Ⅱ-1的血型为O型,经分了检测Ⅰ-1和Ⅰ-2均存在IB (A)基因。 Ⅱ-3的血型为AB型,其配偶Ⅱ-4的血型为O型,Ⅱ-5为血友病 (伴X隐性遗传病)患者。

Name: _____ Period:_____ Human Blood Types & Punnett Squares 1. Which possible baby blood phenotype(s) could parents with A and AB have: ( 3 Possible alleles: IA B, I , i ) (Possible Blood Phenotypes: A , B , AB , O) a. Write the possible genotype(s) of Type A:

The cross that could produce a child with type o (ii) blood is: A) iai x ii. To determine which crosses could result in a child with type O (ii) blood, let's first understand the blood type inheritance patterns: Blood type A (IAIA or IAi) and blood type B (IBIB or IBi) are dominant over blood type O (ii).

人类abo血型的决定方式iaia、iai―→a型血;ibib、ibi―→b型血;iaib―→ab型血(共显性);ii―→o型血。 前后代遗传的推断及概率运算比正常情况要复杂。 变式3 假设某植物种群非常大,可以随机交配,没有迁入和迁出,没有突变。