BIOLOGY 

 1-  Parents :   MmRr  x mmRR   

 Which of the following doesn�t form from this parent ?

 (Aşagıdakilerden hangisi yukarıdaki çaprazlamadan oluşmaz)

 a) Mmrr     b) mmRR       c) mmRr         d) MmRr      e) MmRR

  2-    P   :        KK            kk

          F1  :                 Kk

   What are the phenotypes of the individuals of F2 generations ?

    (F1 in kendisi ile çaprazlanmasında F2 de hangileri oluşur)

a) KK,Kk,Kk,kk       b) KK,KK,Kk,Kk         c) kk,kk,Kk,KK           d) kk,kk,kk,Kk           e) kk,kk,,kk,kk

3-  50 % AA , 50 % Aa

 Which of the following parents genotypes would produce the              above proportions in their offsprings ?(Aşagıdakilerin hangisinden yukarıdaki sonuçlar oluşur)

a) Aa x aa    b) Aa x Aa   c)AA x aa   d)AA x Aa   e) aa x aa

4- In this pedigree of a family , brown eyes are indicated as       ,                        blue eyes as       . The eye color of Charles is not given.

From this chart, it can be determined that (Aşagıdaki pedigriye göre verilenlerden hangisi doğrudur)(Kahverengi göz dominant)

 Richard                                  Alice

             Charles                             Joan

            Sylvia                            Joseph   

   a) Richard and Alice are both homozygous for brown eyes

   b) Charles is probably homozygous for brown eyes

   c) Charles is probably heterozygousus for brown eyes

  d) Charles is homozygous for blue eyes

  e) Sylvia�s  eyes could not be brown since her mother is blue-eyed                                                                      

 5- If John�s father has type A blood and his mother has type 0              blood, John�s blood type will most likely be(Eğer John�un babası A annesi 0 kan grubundan ise kendisininki ne olabilir)  

   a) A or B      b) A or 0      c) A or AB    d) B or 0      e) AB or 0

 6- In a large litter of guinea pigs, three quarters of the offspring       were black ( Black is dominant ). The genotypes of the parents       were most likely(2 domuz çaprazlandığında 4 yavrudan 3 tanesi siyah oluyor.Çaprazlanan hayvanların genotipi nedir)(B=Siyah)

 a)BB x bb    b)Bb x bb    c)Bb x Bb    d)Bb x BB    e) BB x BB

14- A female mouse with black hairs and brown eyed is crossed with the male mouse with white hairs and blue eyed. First offspring is a male with white hairs and blue eyed.What is the genotypes of female mouse ?(S=Black, s=White, D=Brown, d=Blue) (Siyah tüylü ve kahverengi gözlü dişi bir fare ile bayaz tüylü, mavi gözlü fare çaprazlanıyor.Sonuçta bayaz tüylü, mavi gözlü erkek fare oluşuyor.Buna göre dişi farenin genotipi nedir)

a) SSDD     b) Ssdd      c) SsDd          d) SsDD         e) ssDD

15- In which of the following cross,  may has ratio of phenotype like 9,3,3,1 ?(Aşagıdakilerden hangisi sonucu 9,3,3,1 fenotip oranı oluşur)

a) AABB x aabb         b) AaBb x aabb        c) Aabb x AaBB

d) AaBb x AaBb               e) aaBb x AaBb

EACH   ONE   İS   4    POINTS

TIME : 35�

MIDTERM

7- In the accompanying pedigree of a family, brown eye color           is  indicated as          and blue eye color as        .

   Frank                                     Alice

      Jane                                   Robert

    From this chart it can be determined that

  (Yukarıdaki pedigriye göre aşagıdakilerden hangisi söylenebilir)

 a) Frank is homozygous and Alice is heterozygous for brown eyes   

 b) Robert is heterozygous for blue eyes                                                        

 c) Frank and Alice are both heterozygous for brown eyes

 d) Frank and Alice are both homozygous for brown eyes

 8- If a heterozygous tall, heterozygous round (TtRr) pea is crossed with another heterozygous tall, heterozygous round (TtRr) pea, the phenotypes of their offspring would be

( Heterozigot uzun ve yuvarlak bezelye ile yine heterozigot uzun ve yuvarlak bezelye çaprazlanıyor.Fenotip oranları nasıl olur)  

a) All round, tall            b) 8 round tall:8 short, wrinkled 

c) 9 round, tall; 3 round, wrinkled; 3 short,wrinkled, 1 short, tall

d) 9 tall, round: 3 tall, wrinkled: 3 short, round: 1 short, wrinkled

9- ABO blood type is an example of

(AB0 kan grubu sistemi hangisine örnektir)

a) Multiple alleles(Çok allellik)  

b) sex chromosomes(Cinsiyet kromozomları)

c) autosomes(Vücut karekterlerini oluşturan kromozomlar)

d) Fraternal twins(Çift yumurta ikizi)

10- I-Modification  II-Mutation  III-Crossing-over  IV-Adaptation

Which of the above terms cause genetic variety ?

(Yukarıdakilerden hangileri kalıtsal varyasyona neden olur)

a) I-II       b) I-III       c) II-III       d) I-III-IV         e) II-III-IV

11-  I-AB x 00   II-A0 x B0   III-AA x B0

 Which of the above parents doesn�t have a child that has 0 blood type ?(Yukarıdakilerin hangisinden 0 kan gruplu çocuk oluşmaz)

a) I          b) I-II            c) I-III           d) II          e) II-III

12- How many genotypes are there in AB0 blood system ?

(AB0 kan grubu sisteminde kaç çeşit genotip oluşur)

a) 2             b) 3            c) 4              d) 5             e) 6

13- Both mother and father have AB blood group in a family. What is the lowest probability that their two doughters will  be same blood group ?(Anne ve babanın AB kan gruplu olduğu bir ailede çocukların aynı kan gruptan olma ihtimali en az kaçtır)

a) 0           b) 1/4              c) 1/8          d)1/16          e) 1/32

16-A plant which has tall and yellow seed, is crossed whit other plant which has small and green seed. Their offsprings have only one phenotype. One of them is crossed whit each other. What is the  probability that their offsprings will  be tall and yellow seed?

a) ¼          b) 3/16          c) 9/16          d) 1/8           e) 1/32

17- What are variation, modification, adaptation, heredity, gene, dominant gene,homozygous, genotype, allele ? Explain them with examples.