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-Dominant- [34]
3 years ago
11

In the Southern Hemisphere, the summer solstice occurs when the direct sunlight is a. at the equator. b. farthest south. c. fart

hest north. d. farthest from the Earth.
Biology
2 answers:
sashaice [31]3 years ago
8 0

The correct answer is farthest south.

Solstice occurs twice a year once in summers and once in winter and during this time the sun is at the lowest or at the highest point in the sky which results in the shortest or longest days. In the southern hemisphere the summer solstice occurs when the when the sunlight is farthest towards the south.

Pavel [41]3 years ago
5 0
The answer for this is: Farthest South.
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Consider 2 genes in peas- gene controlling seed color- yellow Vs green; gene controlling seed texture-smooth Vs wrinkled. Assume
Luden [163]

Answer:

Smooth & yellow: 9

smooth & green: 3

wrinkled & yellow: 3

wrinkled & green: 1

Explanation:

Gene controlling seed color are yellow Vs green

Gene controlling seed texture are smooth Vs wrinkled

In F1 generation, A true breeding smooth green plant (SSyy) is crossed to a true breeding wrinkled yellow (ssYY)

Off spring in F1 generation are smooth yellow (SsYy)

This means smooth texture is dominant over wrinkled texture and yellow color is dominant over green  

in F2 generation, the cross is carried between SsYy

SY         Sy        sY          sy

SY SSYY SSYy SsYY SsYy

Sy SSYy SSyy SsYy Ssyy

sY SsYY SsYy ssYY ssYy

sy SsYy Ssyy ssYy ssyy

Smooth & yellow: 9

smooth & green: 3

wrinkled & yellow: 3

wrinkled & green: 1

4 0
2 years ago
The ability of the human body to break down the red color in beets is controlled by an autosomal dominant allele. The inability
Zinaida [17]

Answer:

Explanation:

<em>Let the ability to break down the red color in beets be represented by the allele </em><em>B</em><em>. The inability would be represented by the allele </em><em>b</em><em>.</em>

A nonsecretor's genotype would be BB or Bb while a secretor's genotype would be bb.

A nonsecretor woman with a secretor father would be a carrier with genotype Bb. A nonsecretor man who in a previous marriage had a secretor daughter would also be a carrier with genotype Bb. If the two marries:

            <em>Bb     x     Bb</em>

<em>            BB    2Bb    bb</em>

1.

(a) probability of their first child will be a secretor girl = probability of having a girl and being a secretor.

Probability of having a girl = 1/2

Probability of being a secretor = 1/4

<em>probability of their first child will be a secretor girl</em> = 1/2 x 1/4 = 1/8

(b) Probability of their first child being a nonsecretor girl = probability of having a girl and being a nonsecretor.

Probability of having a girl = 1/2

Probability of being a nonsecretor = 3/4

<em>Probability of their first child being a nonsecretor girl = probability of having a girl and being a nonsecretor</em> = 1/2 x 3/4 = 3/8

2. <em>Probability that their first two children will be nonsecretors of either sex = probability of their first being a nonsecretor and of either sex and probability of their second being a nonsecretor and of either sex.</em>

  = 3/4 x 3/4 = 9/16

6 0
3 years ago
All cells have _____. (Select all that apply.) an outer membrane or plasma membrane cytoplasm a cell wall a nucleus protoplasm l
alexgriva [62]
Plasma membrane
cytoplasm
nucleus
protoplasm
3 0
3 years ago
Read 2 more answers
Drag each of the labels into the appropriate position to indicate which blood type is being described.
Zielflug [23.3K]

Answer:

Type O

Expresses the B agglutinin

Expresses all the major antibodies

The most common US blood type

The universal donor

Type AB+

Expresses all of the major antigens

Expresses the D antigen

The least common US blood type

The universal acceptor

Expresses the Rh factor

Expresses A agglutinogen

Explanation:

Blood type is a grouping of blood into classes that have the presence or absence of antibodies and or antigens on the red blood cell surfaces

The class of blood determines whether the antigens are glycolipids, carbohydrates, proteins or glycoproteins of Type O

The blood type of a person is an inherited trait from both parental gene. There are various blood grouping system with the ABO and Rh systems being the most important as they determine the suitability of a given blood for transfusion.

4 0
2 years ago
Both dna and rna are made of subunits or building blocks called
Trava [24]
Sugar-phosphates and nucleotides
4 0
3 years ago
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