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Which of the following are hollow? I. zygote II. morula III. blastula (A) I only (B) II only (C) I
Catracho
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Which of the following are hollow? I. zygote II. morula III. blastula (A) I only (B) II only (C) I
Which of the following are hollow?
I. zygote
II. morula
III. blastula
(A) I only
(B) II only
(C) III only
(D) I and II only
(E) I, II, and III
Which of the following membranes is correctly matched to its function?
(A) allantois .. food absorption
(B) yolk sac .. embryonic bladder
(C) amnion .. gas exchange
(D) dura mater .. brain protection
(E) peritoneum .. heart protection
The process by which a zygote is formed is known as
(A) Fertilization
(B) Meiosis
(C) Mitosis
(D) Pollination
(E) Nondisjunction
In a particular mammal, the egg has a haploid number of 8. How many chromosomes are in the somatic cells of that organism?
(A) 2
(B) 4
(C) 8
(D) 16
(E) 32
If the allele for white flowers (W) is completely dominant over the allele for red flowers (w), what phenotype would you expect for a plant with a ‘ww’ genotype?
(A) white
(B) red
(C) pink
(D) white with red spots
(E) half white and half red
Which of the following is an example of a testcross?
(A) AA x Aa
(B) A?x AA
(C) A?x Aa
(D) A?x aa
(E) aa x aa
With respect to body color, the male parent of the 112 offspring was most probably (pic21)
(A) homozygous gray
(B) heterozygous gray
(C) homozygous black
(D) heterozygous black
(E) hemizygous gray
Examination revealed that all of the 56 red-eyed offspring were females and all of the 56 white-eyed offspring were males. This observation indicates that (pic22)
(A) red and white eye colors segregate independently of sex
(B) all of the red-eyed offspring inherited their eye color from their female parent
(C) all of the red-eyed offspring were homozygous
(D) the gene for eye color is linked to the gene for body color
(E) the gene for red or for white eye color is carried on the X chromosome
In this experiment, the number of offspring that exhibit both recessive characters is (pic23)
(A) 1
(B) 27
(C) 28
(D) 55
(E) 56
n a particular plant species, the allele for tall plants is dominant and the allele for dwarfing is recessive. Which of the following is the expected phenotypic ratio of the offspring from a cross between a heterozygous plant and a dwarf plant?
(A) 1 tall plant : 3 dwarf plants
(B) 1 tall plant : 9 dwarf plants
(C) 1 tall plant : 1 dwarf plant
(D) 3 tall plants : 1 dwarf plant
(E) 9 tall plants : 3 dwarf plants
Individual I most likely has the same genotype for the condition as (pic24)
(A) her father
(B) her grandfather
(C) Individual III
(D) Individual IV
(E) Individual V
If the parents of Individuals I, II, and III have a second daughter, what is the probability that the daughter will exhibit the condition? (pic25)
(A) 0%
(B) 25%
(C) 33%
(D) 50%
(E) 100%
In some horses, the coat is a mixture of red and white hairs, called roan. Roan horses have one white-haired parent and one red-haired parent.
This exhibits which of the following inheritance patterns?
(A) X-linked recessive
(B) Lateral transmission
(C) Codominance
(D) Hybrid vigor
(E) Autosomal recessive
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Which of the following are hollow?
I. zygote
II. morula
III. blastula
(A) I only
(B) II only
(C) III only
(D) I and II only
(E) I, II, and III
Which of the following membranes is correctly matched to its function?
(A) allantois .. food absorption
(B) yolk sac .. embryonic bladder
(C) amnion .. gas exchange
(D) dura mater .. brain protection
(E) peritoneum .. heart protection
The process by which a zygote is formed is known as
(A) Fertilization
(B) Meiosis
(C) Mitosis
(D) Pollination
(E) Nondisjunction
In a particular mammal, the egg has a haploid number of 8. How many chromosomes are in the somatic cells of that organism?
(A) 2
(B) 4
(C) 8
(D) 16
(E) 32
If the allele for white flowers (W) is completely dominant over the allele for red flowers (w), what phenotype would you expect for a plant with a ‘ww’ genotype?
(A) white
(B) red
(C) pink
(D) white with red spots
(E) half white and half red
Which of the following is an example of a testcross?
(A) AA x Aa
(B) A?x AA
(C) A?x Aa
(D) A?x aa
(E) aa x aa
With respect to body color, the male parent of the 112 offspring was most probably (pic21)
(A) homozygous gray
(B) heterozygous gray
(C) homozygous black
(D) heterozygous black
(E) hemizygous gray
Examination revealed that all of the 56 red-eyed offspring were females and all of the 56 white-eyed offspring were males. This observation indicates that (pic22)
(A) red and white eye colors segregate independently of sex
(B) all of the red-eyed offspring inherited their eye color from their female parent
(C) all of the red-eyed offspring were homozygous
(D) the gene for eye color is linked to the gene for body color
(E) the gene for red or for white eye color is carried on the X chromosome
In this experiment, the number of offspring that exhibit both recessive characters is (pic23)
(A) 1
(B) 27
(C) 28
(D) 55
(E) 56
n a particular plant species, the allele for tall plants is dominant and the allele for dwarfing is recessive. Which of the following is the expected phenotypic ratio of the offspring from a cross between a heterozygous plant and a dwarf plant?
(A) 1 tall plant : 3 dwarf plants
(B) 1 tall plant : 9 dwarf plants
(C) 1 tall plant : 1 dwarf plant
(D) 3 tall plants : 1 dwarf plant
(E) 9 tall plants : 3 dwarf plants
ndividual I most likely has the same genotype for the condition as (pic24)
(A) her father
(B) her grandfather
(C) Individual III
(D) Individual IV
(E) Individual V
If the parents of Individuals I, II, and III have a second daughter, what is the probability that the daughter will exhibit the condition? (pic25)
(A) 0%
(B) 25%
(C) 33%
(D) 50%
(E) 100%
In some horses, the coat is a mixture of red and white hairs, called roan. Roan horses have one white-haired parent and one red-haired parent.
This exhibits which of the following inheritance patterns?
(A) X-linked recessive
(B) Lateral transmission
(C) Codominance
(D) Hybrid vigor
(E) Autosomal recessive
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Catracho
Author
wrote...
3 years ago
Thank you, thank you, thank you!
noodlelicker
wrote...
Yesterday
this is exactly what I needed
momochiime
wrote...
2 hours ago
Correct
TY
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