问题 填空题 案例分析题

生物研究性学习小组的同学对某地区人类的甲病和乙病两类遗传病进行调查。以下是他们研究过程中得到的一些材料。

材料一调查中发现甲病在患有该病的家族中发病率较高,往往是世代相传;乙病的发病率较低,往往是隔代相传。

材料二统计甲病和乙病在该地区万人中表现情况(见下表)

材料三绘制甲病和乙病在某一家族中的系谱图(见下图)。(甲、乙病分别由核基因A和a、B和b控制)。

请分析回答下面的问题。

禁止近亲结婚是控制人类遗传疾病的重要措施,除此以外,你还会提出怎样的建议来有效预防遗传疾病的发生()

答案

参考答案:遗传咨询,产前诊断

选择题
阅读理解

■Ruffi Ruff! Where's Scruff?

Reading level: Baby—reschool

Hardcover: 16 pages

Language: English

Availability: In Stock.Sold by Amazon-com.Gift—wrap available.

Book Description: It's bath time for Scruff.But does anyone know where he's hiding? Have the cows seen him? Moo—no! How about the pigs? Oink—no! But not for toddlers.If they look carefully, they'll find Scruffhiding on every pop—up page!

■You and Me, Baby

Reading level: Baby—Grade 1

Hardcover: 40 pages

Language: English

Availability: In Stock.Ships from and sold byAmazon.com.Gift—wrap available.

Only 4 left in stock—rder soon.

■The Giving Tree

Reading level: Ages 4~8

Hardcover: 64 pages

Language: English

Availability: Sold all the year round and choose One—Day Shipping at checkout.

Book Description: Once there was a tree...and she loved a little boy.Every day the boy would come to the tree to eat her apples, swing from her branches, or slide down her trunk...and the tree was happy.

■Where the Wild Things Are

Reading level: Ages 6~10

Hardcover Comic: 62 pages

Language: English

Availability: In Stock.Ships from and Sold by Amazon-com.Gift—wrap available.Order it at once, and choose One—Day Shipping at checkout.

■Goodnight Moon(Board book)

Reading level: Baby—Preschool

Board book: 30 pages

Language: English

Availability: In Stock.Ships from and sold by Amazon-com.

Book description: Perhaps the perfect children's bedtime book.Goodnight Moon is a short poem of goodnight wishes from a young rabbit.He says goodnight to every object in sight and within earshot, including the "quiet old lady whispering hush."

小题1:If you want a book for an eight-year-old, which one will you choose?

A.You and Me, Baby

B.Where the Wild Things Are

C.Goodnight Moon

D.Ruffi Ruff! Where's Scruff?小题2:The sentence "But as the boy grew older he began to want more from the tree, and the tree gave and gave and gave…" most probably corns from       .

A.Where the Wild Things Are

B.Goodnight Moon

C.Ruff! Ruff! Where's Scruff?

D.The Giving Tree小题3:The sellers will provide the service of wrapping except _____.

A.Where the Wild Things Are

B.You and Me, Baby

C.RuffS Ruff! Where's Scrufl?

D.Goodnight Moon小题4:Which book has the most pages?

A.The Giving Tree

B.You and Me, Baby

C.Goodnight Moon

D.Where the Wild Things Are小题5:The expression "In Stock" in the above paragraphs probably means "____".

A.abundant

B.secure

C.available

D.valid