Biology, 20.09.2021 07:00 liamgreene90

Help me please Practice Exercise 3
2. In humans there are four types of blood: type A. type B, type AB and type O. A person with a genotype of lala or lait
will have blood type ?

A. A
B. B
C. 0
D. AB

3. Blood type O has both antibodies A and antibodies B
in the plasma but has no
antigen on its erythrocytes or
red blood cells. That is why
Blood Type O is considered.
UNIVERSAL

A. Blood
B. Donor
C. Marker
D. Recipient

4. A couple has four children. one son and three daughters. What is the chance that the fifth child will be a daughter?

A. ¼
B. ½
C. ¾
D. 1/5

5.A man is colorblind but there is no history of this disorder in his wife's family. What is the chance that their son is color blind?
A. 0%
B. 25%
C. 75%
D. 100%

6. What is a sex- linked trait that 1 point results in the inability to have normal blood clotting?

A. baldness
B. color blindness
C. diabetes
D. hemophilia

7. Melvin's thinning hair is like that of his father. This characteristic of baldness is due to
A. multiple alleles.
B. sex-linked
C. sex-influenced
D. sex-limited

8. Color-blindness is inherited as a sex-linked recessive trait. If a normal woman, carrier of the gene marries a man with. normal color vision. What would be the expected phenotype of their children with reference to color-blindness?

A. All color-blind
B. 2 carriers, 2 color-blind
C. 1 normal, 3 carriers
D. 2 normal, 1 carrier, 1 color-blind

Answers: 2

Show answers

Other questions on the subject: Biology

Biology, 21.06.2019 18:30, dezmondpowell

Select all the correct answers. lactobacillus is a bacteria that live inside humans. these bacteria live on the nutrients from our bodies. they to keep our gut clean and healthy. s. typhi is a bacteria that enter our bodies through contaminated food. this bacteria causes infections in the body. based on this information, which two statements about the association between these bacteria and humans are true? a. lactobacillus shares a parasitic relationship with humans. b. s .typhi shares a parasitic relationship with humans. c. both lactobacillus and s. typhi share a parasitic relationship with humans. d. both lactobacillus and s. typhi share a mutualistic relationship with humans. e. lactobacillus shares a mutualistic relationship with humans, and s. typhi shares a parasitic relationship multiply chrse

Answers: 1

continue

Biology, 22.06.2019 01:00, Samuelgamboe

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards. the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

Answers: 2

continue

Biology, 22.06.2019 02:30, catycait27p5rc5p

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen

Answers: 1

continue

Biology, 22.06.2019 07:50, darceline1574

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d

Answers: 2

continue

You know the right answer?

Help me please Practice Exercise 3
2. In humans there are four types of blood: type A. type B...