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Serggg [28]
3 years ago
6

Which statement(s) about the number of males and females is true? Statement A: Sperm containing a Y chromosome swim faster than

those containing an X chromosome. Statement B: Male fetuses are more vulnerable to miscarriage than are female fetuses. Statement C: Cultural values and governmental policy contribute to the differences in the number of male and female babies born and raised in some societies.
Biology
1 answer:
VladimirAG [237]3 years ago
6 0

Answer:A

Explanation:

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Identify the landmark found on the proximal end of the humerus.
Sergeu [11.5K]

Answer:

greater tubercle

Explanation:

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2 years ago
What are examples of connective tissues
Mama L [17]

Answer:

some of the major types of connective tissue known includes

1.Bone,

3.Cartilage,

4. Blood and

5. lymph

Explanation:

Connective tissue (CT) is known to be one of the four basic types of animal tissue, along with epithelial tissue, muscle tissue, and nervous tissue. It develops from the mesoderm and this Connective tissue is found in between other tissues everywhere in the body, including the nervous system.

3 0
3 years ago
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Ralph has type B blood and his wife Rachel has type A blood. They are very shocked to hear that their baby has type O blood, and
Cerrena [4.2K]

Answer:

1. The parents genotypes could have been BO and AO

2. wire-hair

Explanation:

There are four possible blood types which are type A, B, AB, O. blood group is the classification of blood based on the presence or the absence of inherited antigenic substances on the surface of the red blood cells. They have hereditary basis and also rely on a series of alternative genes sometimes used in solving dispute of parental heritage. With the four possible blood groups, there are six possible genotypes and these are:

Blood type               possible genotypes

Type A                         AA, AO

Type B                         BB, BO

Type AB                           AB

Type O                              OO

Thus, for parents with blood type B and A to give birth to a child with blood type O, it means their genotype could have been both BO and AO  for them to be able to produce a child with OO. a cross between these two could give rise to OO.

Question 2

Wire hair is dominant (S) to smooth (s), thus wire hair could be in the homozygous (SS) and heterozygous form (Ss) and the smooth hair can only be expressed in the homozygous recessive form (ss).

thus, in a cross between homozygous wire haired and smooth haired, we will have:

homozygous wire haired            homozygous smooth haired

P gen              SS                x               ss

F1 gen.                                Ss

phenotype:                     wire haired

8 0
3 years ago
Dalam upaya mengurangi pencemaran lingkungan, masyarakat diharapkan berperilaku ramah lingkungan dengan menerapkan gerakan 3R. J
Oduvanchick [21]

Answer:

ik been boter ham man en appel en melk ;-$

Explanation:

5 0
3 years ago
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Grasses → mice → cat → coyote As matter and energy move from grasses to coyotes the amount of available energy
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The answer would be C. Energy is used through the food chain so energy always decreases. Population size would commonly decrease according to the  pyramid of food chain but since there's no answer for that, C would be the most suitable
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